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Finding the Fourth Proportional to 108,529.80, 162,786.60 and 45,333.60

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Solution

The fourth proportional to 108,529.80, 162,786.60 and 45,333.60 is: 67,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.80 : 162,786.60 = 45,333.60 : x
  2. Step 2: Convert to fraction form
    108,529.80/162,786.60 = 45,333.60/x
  3. Step 3: Cross multiply
    108,529.80x = 162,786.60 × 45,333.60
  4. Step 4: Simplify right side
    108,529.80x = 7,379,702,609.76
  5. Step 5: Solve for x
    x = 7,379,702,609.76/108,529.80
  6. Step 6: Final answer
    x = 67,997.02

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