Finding the Fourth Proportional to 150,701.10, 207,953.78 and 89,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,701.10 : 207,953.78 = 89,436.72 : x
2. Step 2: Convert to fraction form
   150,701.10/207,953.78 = 89,436.72/x
3. Step 3: Cross multiply
   150,701.10x = 207,953.78 × 89,436.72
4. Step 4: Simplify right side
   150,701.10x = 18,598,703,994.80
5. Step 5: Solve for x
   x = 18,598,703,994.80/150,701.10
6. Step 6: Final answer
   x = 123,414.52