Finding the Fourth Proportional to 89,411.09, 134,151.02 and 39,455.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,411.09 : 134,151.02 = 39,455.88 : x
2. Step 2: Convert to fraction form
   89,411.09/134,151.02 = 39,455.88/x
3. Step 3: Cross multiply
   89,411.09x = 134,151.02 × 39,455.88
4. Step 4: Simplify right side
   89,411.09x = 5,293,046,349.72
5. Step 5: Solve for x
   x = 5,293,046,349.72/89,411.09
6. Step 6: Final answer
   x = 59,198.99