Finding the Fourth Proportional to 64,380.80, 88,845.60 and 36,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,380.80 : 88,845.60 = 36,086.72 : x
2. Step 2: Convert to fraction form
   64,380.80/88,845.60 = 36,086.72/x
3. Step 3: Cross multiply
   64,380.80x = 88,845.60 × 36,086.72
4. Step 4: Simplify right side
   64,380.80x = 3,206,146,290.43
5. Step 5: Solve for x
   x = 3,206,146,290.43/64,380.80
6. Step 6: Final answer
   x = 49,799.73