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Finding the Fourth Proportional to 104,643.80, 156,965.70 and 55,491.80

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Solution

The fourth proportional to 104,643.80, 156,965.70 and 55,491.80 is: 83,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,643.80 : 156,965.70 = 55,491.80 : x
  2. Step 2: Convert to fraction form
    104,643.80/156,965.70 = 55,491.80/x
  3. Step 3: Cross multiply
    104,643.80x = 156,965.70 × 55,491.80
  4. Step 4: Simplify right side
    104,643.80x = 8,710,309,231.26
  5. Step 5: Solve for x
    x = 8,710,309,231.26/104,643.80
  6. Step 6: Final answer
    x = 83,237.70

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