Finding the Fourth Proportional to 57,386.10, 79,191.22 and 31,891.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,386.10 : 79,191.22 = 31,891.82 : x
2. Step 2: Convert to fraction form
   57,386.10/79,191.22 = 31,891.82/x
3. Step 3: Cross multiply
   57,386.10x = 79,191.22 × 31,891.82
4. Step 4: Simplify right side
   57,386.10x = 2,525,552,133.82
5. Step 5: Solve for x
   x = 2,525,552,133.82/57,386.10
6. Step 6: Final answer
   x = 44,009.82