Finding the Fourth Proportional to 88,412.98, 132,618.17 and 21,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   88,412.98 : 132,618.17 = 21,853.12 : x
2. Step 2: Convert to fraction form
   88,412.98/132,618.17 = 21,853.12/x
3. Step 3: Cross multiply
   88,412.98x = 132,618.17 × 21,853.12
4. Step 4: Simplify right side
   88,412.98x = 2,898,120,010.83
5. Step 5: Solve for x
   x = 2,898,120,010.83/88,412.98
6. Step 6: Final answer
   x = 32,779.35