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Finding the Fourth Proportional to 171,738.06, 257,764.26 and 87,558.60

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Solution

The fourth proportional to 171,738.06, 257,764.26 and 87,558.60 is: 131,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,738.06 : 257,764.26 = 87,558.60 : x
  2. Step 2: Convert to fraction form
    171,738.06/257,764.26 = 87,558.60/x
  3. Step 3: Cross multiply
    171,738.06x = 257,764.26 × 87,558.60
  4. Step 4: Simplify right side
    171,738.06x = 22,569,477,735.64
  5. Step 5: Solve for x
    x = 22,569,477,735.64/171,738.06
  6. Step 6: Final answer
    x = 131,418.03

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