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Finding the Fourth Proportional to 69,676.72, 104,507.96 and 19,080.25

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Solution

The fourth proportional to 69,676.72, 104,507.96 and 19,080.25 is: 28,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676.72 : 104,507.96 = 19,080.25 : x
  2. Step 2: Convert to fraction form
    69,676.72/104,507.96 = 19,080.25/x
  3. Step 3: Cross multiply
    69,676.72x = 104,507.96 × 19,080.25
  4. Step 4: Simplify right side
    69,676.72x = 1,994,037,580.65
  5. Step 5: Solve for x
    x = 1,994,037,580.65/69,676.72
  6. Step 6: Final answer
    x = 28,618.42

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