Finding the Fourth Proportional to 162,445.72, 224,176.50 and 89,847.40

Step by Step Solution

1. Step 1: Write the proportion equation
   162,445.72 : 224,176.50 = 89,847.40 : x
2. Step 2: Convert to fraction form
   162,445.72/224,176.50 = 89,847.40/x
3. Step 3: Cross multiply
   162,445.72x = 224,176.50 × 89,847.40
4. Step 4: Simplify right side
   162,445.72x = 20,141,675,666.10
5. Step 5: Solve for x
   x = 20,141,675,666.10/162,445.72
6. Step 6: Final answer
   x = 123,990.19