Finding the Fourth Proportional to 35,200.39, 48,570.37 and 20,086.15

Step by Step Solution

1. Step 1: Write the proportion equation
   35,200.39 : 48,570.37 = 20,086.15 : x
2. Step 2: Convert to fraction form
   35,200.39/48,570.37 = 20,086.15/x
3. Step 3: Cross multiply
   35,200.39x = 48,570.37 × 20,086.15
4. Step 4: Simplify right side
   35,200.39x = 975,591,737.38
5. Step 5: Solve for x
   x = 975,591,737.38/35,200.39
6. Step 6: Final answer
   x = 27,715.37