Finding the Fourth Proportional to 91,606.63, 136,510.32 and 88,596.47

Step by Step Solution

1. Step 1: Write the proportion equation
   91,606.63 : 136,510.32 = 88,596.47 : x
2. Step 2: Convert to fraction form
   91,606.63/136,510.32 = 88,596.47/x
3. Step 3: Cross multiply
   91,606.63x = 136,510.32 × 88,596.47
4. Step 4: Simplify right side
   91,606.63x = 12,094,331,788.02
5. Step 5: Solve for x
   x = 12,094,331,788.02/91,606.63
6. Step 6: Final answer
   x = 132,024.64