Finding the Fourth Proportional to 91,155.56, 136,536.50 and 88,924.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91,155.56 : 136,536.50 = 88,924.82 : x
2. Step 2: Convert to fraction form
   91,155.56/136,536.50 = 88,924.82/x
3. Step 3: Cross multiply
   91,155.56x = 136,536.50 × 88,924.82
4. Step 4: Simplify right side
   91,155.56x = 12,141,483,225.56
5. Step 5: Solve for x
   x = 12,141,483,225.56/91,155.56
6. Step 6: Final answer
   x = 133,195.21