Finding the Fourth Proportional to 91,152.75, 136,532.28 and 88,922.01

Step by Step Solution

1. Step 1: Write the proportion equation
   91,152.75 : 136,532.28 = 88,922.01 : x
2. Step 2: Convert to fraction form
   91,152.75/136,532.28 = 88,922.01/x
3. Step 3: Cross multiply
   91,152.75x = 136,532.28 × 88,922.01
4. Step 4: Simplify right side
   91,152.75x = 12,140,724,767.48
5. Step 5: Solve for x
   x = 12,140,724,767.48/91,152.75
6. Step 6: Final answer
   x = 133,190.99