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Finding the Fourth Proportional to 74,038.74, 111,058.12 and 21,448.24

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Solution

The fourth proportional to 74,038.74, 111,058.12 and 21,448.24 is: 32,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,038.74 : 111,058.12 = 21,448.24 : x
  2. Step 2: Convert to fraction form
    74,038.74/111,058.12 = 21,448.24/x
  3. Step 3: Cross multiply
    74,038.74x = 111,058.12 × 21,448.24
  4. Step 4: Simplify right side
    74,038.74x = 2,382,001,211.71
  5. Step 5: Solve for x
    x = 2,382,001,211.71/74,038.74
  6. Step 6: Final answer
    x = 32,172.36

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