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Finding the Fourth Proportional to 102,888.25, 141,991.30 and 57,563.53

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Solution

The fourth proportional to 102,888.25, 141,991.30 and 57,563.53 is: 79,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,888.25 : 141,991.30 = 57,563.53 : x
  2. Step 2: Convert to fraction form
    102,888.25/141,991.30 = 57,563.53/x
  3. Step 3: Cross multiply
    102,888.25x = 141,991.30 × 57,563.53
  4. Step 4: Simplify right side
    102,888.25x = 8,173,520,457.29
  5. Step 5: Solve for x
    x = 8,173,520,457.29/102,888.25
  6. Step 6: Final answer
    x = 79,440.76

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