Finding the Fourth Proportional to 88,216.52, 132,322.62 and 21,656.12

Step by Step Solution

1. Step 1: Write the proportion equation
   88,216.52 : 132,322.62 = 21,656.12 : x
2. Step 2: Convert to fraction form
   88,216.52/132,322.62 = 21,656.12/x
3. Step 3: Cross multiply
   88,216.52x = 132,322.62 × 21,656.12
4. Step 4: Simplify right side
   88,216.52x = 2,865,594,537.43
5. Step 5: Solve for x
   x = 2,865,594,537.43/88,216.52
6. Step 6: Final answer
   x = 32,483.65