Finding the Fourth Proportional to 64,139.50, 88,510.86 and 35,845.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,139.50 : 88,510.86 = 35,845.42 : x
2. Step 2: Convert to fraction form
   64,139.50/88,510.86 = 35,845.42/x
3. Step 3: Cross multiply
   64,139.50x = 88,510.86 × 35,845.42
4. Step 4: Simplify right side
   64,139.50x = 3,172,708,951.26
5. Step 5: Solve for x
   x = 3,172,708,951.26/64,139.50
6. Step 6: Final answer
   x = 49,465.76