Finding the Fourth Proportional to 35,185.29, 48,561.37 and 20,078.59

Step by Step Solution

1. Step 1: Write the proportion equation
   35,185.29 : 48,561.37 = 20,078.59 : x
2. Step 2: Convert to fraction form
   35,185.29/48,561.37 = 20,078.59/x
3. Step 3: Cross multiply
   35,185.29x = 48,561.37 × 20,078.59
4. Step 4: Simplify right side
   35,185.29x = 975,043,666.47
5. Step 5: Solve for x
   x = 975,043,666.47/35,185.29
6. Step 6: Final answer
   x = 27,711.68