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Finding the Fourth Proportional to 76,742.16, 115,128.87 and 32,369.08

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Solution

The fourth proportional to 76,742.16, 115,128.87 and 32,369.08 is: 48,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,742.16 : 115,128.87 = 32,369.08 : x
  2. Step 2: Convert to fraction form
    76,742.16/115,128.87 = 32,369.08/x
  3. Step 3: Cross multiply
    76,742.16x = 115,128.87 × 32,369.08
  4. Step 4: Simplify right side
    76,742.16x = 3,726,615,603.34
  5. Step 5: Solve for x
    x = 3,726,615,603.34/76,742.16
  6. Step 6: Final answer
    x = 48,560.21

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