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Finding the Fourth Proportional to 377,405.78, 520,819.95 and 207,636.26

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Solution

The fourth proportional to 377,405.78, 520,819.95 and 207,636.26 is: 286,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,405.78 : 520,819.95 = 207,636.26 : x
  2. Step 2: Convert to fraction form
    377,405.78/520,819.95 = 207,636.26/x
  3. Step 3: Cross multiply
    377,405.78x = 520,819.95 × 207,636.26
  4. Step 4: Simplify right side
    377,405.78x = 108,141,106,551.39
  5. Step 5: Solve for x
    x = 108,141,106,551.39/377,405.78
  6. Step 6: Final answer
    x = 286,538.02

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