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Finding the Fourth Proportional to 79,493.67, 118,980.90 and 58,428.14

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Solution

The fourth proportional to 79,493.67, 118,980.90 and 58,428.14 is: 87,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,493.67 : 118,980.90 = 58,428.14 : x
  2. Step 2: Convert to fraction form
    79,493.67/118,980.90 = 58,428.14/x
  3. Step 3: Cross multiply
    79,493.67x = 118,980.90 × 58,428.14
  4. Step 4: Simplify right side
    79,493.67x = 6,951,832,682.53
  5. Step 5: Solve for x
    x = 6,951,832,682.53/79,493.67
  6. Step 6: Final answer
    x = 87,451.40

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