Finding the Fourth Proportional to 64,338.87, 88,785.50 and 35,657.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,338.87 : 88,785.50 = 35,657.31 : x
2. Step 2: Convert to fraction form
   64,338.87/88,785.50 = 35,657.31/x
3. Step 3: Cross multiply
   64,338.87x = 88,785.50 × 35,657.31
4. Step 4: Simplify right side
   64,338.87x = 3,165,851,918.72
5. Step 5: Solve for x
   x = 3,165,851,918.72/64,338.87
6. Step 6: Final answer
   x = 49,205.90