Finding the Fourth Proportional to 64,086.29, 88,436.39 and 36,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   64,086.29 : 88,436.39 = 36,860.32 : x
2. Step 2: Convert to fraction form
   64,086.29/88,436.39 = 36,860.32/x
3. Step 3: Cross multiply
   64,086.29x = 88,436.39 × 36,860.32
4. Step 4: Simplify right side
   64,086.29x = 3,259,793,561.29
5. Step 5: Solve for x
   x = 3,259,793,561.29/64,086.29
6. Step 6: Final answer
   x = 50,865.69