Finding the Fourth Proportional to 89,568.09, 134,382.51 and 39,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,568.09 : 134,382.51 = 39,641.31 : x
2. Step 2: Convert to fraction form
   89,568.09/134,382.51 = 39,641.31/x
3. Step 3: Cross multiply
   89,568.09x = 134,382.51 × 39,641.31
4. Step 4: Simplify right side
   89,568.09x = 5,327,098,737.49
5. Step 5: Solve for x
   x = 5,327,098,737.49/89,568.09
6. Step 6: Final answer
   x = 59,475.41