Finding the Fourth Proportional to 267,061.72, 400,687.35 and 89,568.44

Step by Step Solution

1. Step 1: Write the proportion equation
   267,061.72 : 400,687.35 = 89,568.44 : x
2. Step 2: Convert to fraction form
   267,061.72/400,687.35 = 89,568.44/x
3. Step 3: Cross multiply
   267,061.72x = 400,687.35 × 89,568.44
4. Step 4: Simplify right side
   267,061.72x = 35,888,940,867.23
5. Step 5: Solve for x
   x = 35,888,940,867.23/267,061.72
6. Step 6: Final answer
   x = 134,384.44