Finding the Fourth Proportional to 57,291.31, 79,062.86 and 31,799.33

Step by Step Solution

1. Step 1: Write the proportion equation
   57,291.31 : 79,062.86 = 31,799.33 : x
2. Step 2: Convert to fraction form
   57,291.31/79,062.86 = 31,799.33/x
3. Step 3: Cross multiply
   57,291.31x = 79,062.86 × 31,799.33
4. Step 4: Simplify right side
   57,291.31x = 2,514,145,421.57
5. Step 5: Solve for x
   x = 2,514,145,421.57/57,291.31
6. Step 6: Final answer
   x = 43,883.54