Finding the Fourth Proportional to 64,461.57, 88,955.25 and 35,781.15

Step by Step Solution

1. Step 1: Write the proportion equation
   64,461.57 : 88,955.25 = 35,781.15 : x
2. Step 2: Convert to fraction form
   64,461.57/88,955.25 = 35,781.15/x
3. Step 3: Cross multiply
   64,461.57x = 88,955.25 × 35,781.15
4. Step 4: Simplify right side
   64,461.57x = 3,182,921,143.54
5. Step 5: Solve for x
   x = 3,182,921,143.54/64,461.57
6. Step 6: Final answer
   x = 49,377.03