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Finding the Fourth Proportional to 97,457.92, 134,469.12 and 57,169.60

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Solution

The fourth proportional to 97,457.92, 134,469.12 and 57,169.60 is: 78,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,457.92 : 134,469.12 = 57,169.60 : x
  2. Step 2: Convert to fraction form
    97,457.92/134,469.12 = 57,169.60/x
  3. Step 3: Cross multiply
    97,457.92x = 134,469.12 × 57,169.60
  4. Step 4: Simplify right side
    97,457.92x = 7,687,545,802.75
  5. Step 5: Solve for x
    x = 7,687,545,802.75/97,457.92
  6. Step 6: Final answer
    x = 78,880.67

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