Finding the Fourth Proportional to 57,441.83, 79,268.33 and 31,247.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,441.83 : 79,268.33 = 31,247.15 : x
2. Step 2: Convert to fraction form
   57,441.83/79,268.33 = 31,247.15/x
3. Step 3: Cross multiply
   57,441.83x = 79,268.33 × 31,247.15
4. Step 4: Simplify right side
   57,441.83x = 2,476,909,079.54
5. Step 5: Solve for x
   x = 2,476,909,079.54/57,441.83
6. Step 6: Final answer
   x = 43,120.31