Finding the Fourth Proportional to 35,859.59, 49,485.35 and 20,750.15

Step by Step Solution

1. Step 1: Write the proportion equation
   35,859.59 : 49,485.35 = 20,750.15 : x
2. Step 2: Convert to fraction form
   35,859.59/49,485.35 = 20,750.15/x
3. Step 3: Cross multiply
   35,859.59x = 49,485.35 × 20,750.15
4. Step 4: Simplify right side
   35,859.59x = 1,026,828,610.89
5. Step 5: Solve for x
   x = 1,026,828,610.89/35,859.59
6. Step 6: Final answer
   x = 28,634.70