Finding the Fourth Proportional to 88,322.90, 132,311.55 and 53,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,322.90 : 132,311.55 = 53,158.10 : x
2. Step 2: Convert to fraction form
   88,322.90/132,311.55 = 53,158.10/x
3. Step 3: Cross multiply
   88,322.90x = 132,311.55 × 53,158.10
4. Step 4: Simplify right side
   88,322.90x = 7,033,430,606.06
5. Step 5: Solve for x
   x = 7,033,430,606.06/88,322.90
6. Step 6: Final answer
   x = 79,633.15