Finding the Fourth Proportional to 150,132.96, 224,750.72 and 90,789.12

Step by Step Solution

1. Step 1: Write the proportion equation
   150,132.96 : 224,750.72 = 90,789.12 : x
2. Step 2: Convert to fraction form
   150,132.96/224,750.72 = 90,789.12/x
3. Step 3: Cross multiply
   150,132.96x = 224,750.72 × 90,789.12
4. Step 4: Simplify right side
   150,132.96x = 20,404,920,088.17
5. Step 5: Solve for x
   x = 20,404,920,088.17/150,132.96
6. Step 6: Final answer
   x = 135,912.33