Finding the Fourth Proportional to 35,287.09, 48,686.72 and 20,934.98

Step by Step Solution

1. Step 1: Write the proportion equation
   35,287.09 : 48,686.72 = 20,934.98 : x
2. Step 2: Convert to fraction form
   35,287.09/48,686.72 = 20,934.98/x
3. Step 3: Cross multiply
   35,287.09x = 48,686.72 × 20,934.98
4. Step 4: Simplify right side
   35,287.09x = 1,019,255,598.62
5. Step 5: Solve for x
   x = 1,019,255,598.62/35,287.09
6. Step 6: Final answer
   x = 28,884.66