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Finding the Fourth Proportional to 104,321.36, 143,962.19 and 56,574.16

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Solution

The fourth proportional to 104,321.36, 143,962.19 and 56,574.16 is: 78,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,321.36 : 143,962.19 = 56,574.16 : x
  2. Step 2: Convert to fraction form
    104,321.36/143,962.19 = 56,574.16/x
  3. Step 3: Cross multiply
    104,321.36x = 143,962.19 × 56,574.16
  4. Step 4: Simplify right side
    104,321.36x = 8,144,539,971.01
  5. Step 5: Solve for x
    x = 8,144,539,971.01/104,321.36
  6. Step 6: Final answer
    x = 78,071.64

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