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Finding the Fourth Proportional to 105,284.55, 157,915.20 and 26,398.77

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Solution

The fourth proportional to 105,284.55, 157,915.20 and 26,398.77 is: 39,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,284.55 : 157,915.20 = 26,398.77 : x
  2. Step 2: Convert to fraction form
    105,284.55/157,915.20 = 26,398.77/x
  3. Step 3: Cross multiply
    105,284.55x = 157,915.20 × 26,398.77
  4. Step 4: Simplify right side
    105,284.55x = 4,168,767,044.30
  5. Step 5: Solve for x
    x = 4,168,767,044.30/105,284.55
  6. Step 6: Final answer
    x = 39,595.24

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