Finding the Fourth Proportional to 88,013.72, 132,026.34 and 25,679

Step by Step Solution

1. Step 1: Write the proportion equation
   88,013.72 : 132,026.34 = 25,679 : x
2. Step 2: Convert to fraction form
   88,013.72/132,026.34 = 25,679/x
3. Step 3: Cross multiply
   88,013.72x = 132,026.34 × 25,679
4. Step 4: Simplify right side
   88,013.72x = 3,390,304,384.86
5. Step 5: Solve for x
   x = 3,390,304,384.86/88,013.72
6. Step 6: Final answer
   x = 38,520.18