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Finding the Fourth Proportional to 35,398.61, 53,130.72 and 17,880.74

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Solution

The fourth proportional to 35,398.61, 53,130.72 and 17,880.74 is: 26,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.61 : 53,130.72 = 17,880.74 : x
  2. Step 2: Convert to fraction form
    35,398.61/53,130.72 = 17,880.74/x
  3. Step 3: Cross multiply
    35,398.61x = 53,130.72 × 17,880.74
  4. Step 4: Simplify right side
    35,398.61x = 950,016,590.33
  5. Step 5: Solve for x
    x = 950,016,590.33/35,398.61
  6. Step 6: Final answer
    x = 26,837.68

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