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Finding the Fourth Proportional to 104,062.62, 143,605.91 and 56,315.90

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Solution

The fourth proportional to 104,062.62, 143,605.91 and 56,315.90 is: 77,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.62 : 143,605.91 = 56,315.90 : x
  2. Step 2: Convert to fraction form
    104,062.62/143,605.91 = 56,315.90/x
  3. Step 3: Cross multiply
    104,062.62x = 143,605.91 × 56,315.90
  4. Step 4: Simplify right side
    104,062.62x = 8,087,296,066.97
  5. Step 5: Solve for x
    x = 8,087,296,066.97/104,062.62
  6. Step 6: Final answer
    x = 77,715.67

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