Finding the Fourth Proportional to 162,444.72, 224,175.12 and 89,846.40

Step by Step Solution

1. Step 1: Write the proportion equation
   162,444.72 : 224,175.12 = 89,846.40 : x
2. Step 2: Convert to fraction form
   162,444.72/224,175.12 = 89,846.40/x
3. Step 3: Cross multiply
   162,444.72x = 224,175.12 × 89,846.40
4. Step 4: Simplify right side
   162,444.72x = 20,141,327,501.57
5. Step 5: Solve for x
   x = 20,141,327,501.57/162,444.72
6. Step 6: Final answer
   x = 123,988.81