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Finding the Fourth Proportional to 104,421.21, 144,101.42 and 56,674.56

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Solution

The fourth proportional to 104,421.21, 144,101.42 and 56,674.56 is: 78,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.21 : 144,101.42 = 56,674.56 : x
  2. Step 2: Convert to fraction form
    104,421.21/144,101.42 = 56,674.56/x
  3. Step 3: Cross multiply
    104,421.21x = 144,101.42 × 56,674.56
  4. Step 4: Simplify right side
    104,421.21x = 8,166,884,573.88
  5. Step 5: Solve for x
    x = 8,166,884,573.88/104,421.21
  6. Step 6: Final answer
    x = 78,210.97

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