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Finding the Fourth Proportional to 368,906.88, 509,086.08 and 207,762.24

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Solution

The fourth proportional to 368,906.88, 509,086.08 and 207,762.24 is: 286,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,906.88 : 509,086.08 = 207,762.24 : x
  2. Step 2: Convert to fraction form
    368,906.88/509,086.08 = 207,762.24/x
  3. Step 3: Cross multiply
    368,906.88x = 509,086.08 × 207,762.24
  4. Step 4: Simplify right side
    368,906.88x = 105,768,864,333.62
  5. Step 5: Solve for x
    x = 105,768,864,333.62/368,906.88
  6. Step 6: Final answer
    x = 286,708.84

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