Finding the Fourth Proportional to 88,129.58, 132,196.08 and 21,570.29

Step by Step Solution

1. Step 1: Write the proportion equation
   88,129.58 : 132,196.08 = 21,570.29 : x
2. Step 2: Convert to fraction form
   88,129.58/132,196.08 = 21,570.29/x
3. Step 3: Cross multiply
   88,129.58x = 132,196.08 × 21,570.29
4. Step 4: Simplify right side
   88,129.58x = 2,851,507,782.46
5. Step 5: Solve for x
   x = 2,851,507,782.46/88,129.58
6. Step 6: Final answer
   x = 32,355.85