Finding the Fourth Proportional to 88,131.96, 132,169.86 and 28,953.90

Step by Step Solution

1. Step 1: Write the proportion equation
   88,131.96 : 132,169.86 = 28,953.90 : x
2. Step 2: Convert to fraction form
   88,131.96/132,169.86 = 28,953.90/x
3. Step 3: Cross multiply
   88,131.96x = 132,169.86 × 28,953.90
4. Step 4: Simplify right side
   88,131.96x = 3,826,832,909.45
5. Step 5: Solve for x
   x = 3,826,832,909.45/88,131.96
6. Step 6: Final answer
   x = 43,421.62