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Finding the Fourth Proportional to 18,860.76, 28,292.58 and 5,714.22

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Solution

The fourth proportional to 18,860.76, 28,292.58 and 5,714.22 is: 8,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.76 : 28,292.58 = 5,714.22 : x
  2. Step 2: Convert to fraction form
    18,860.76/28,292.58 = 5,714.22/x
  3. Step 3: Cross multiply
    18,860.76x = 28,292.58 × 5,714.22
  4. Step 4: Simplify right side
    18,860.76x = 161,670,026.49
  5. Step 5: Solve for x
    x = 161,670,026.49/18,860.76
  6. Step 6: Final answer
    x = 8,571.77

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