Finding the Fourth Proportional to 267,084.24, 400,686.33 and 89,586.72

Step by Step Solution

1. Step 1: Write the proportion equation
   267,084.24 : 400,686.33 = 89,586.72 : x
2. Step 2: Convert to fraction form
   267,084.24/400,686.33 = 89,586.72/x
3. Step 3: Cross multiply
   267,084.24x = 400,686.33 × 89,586.72
4. Step 4: Simplify right side
   267,084.24x = 35,896,174,053.54
5. Step 5: Solve for x
   x = 35,896,174,053.54/267,084.24
6. Step 6: Final answer
   x = 134,400.20