Finding the Fourth Proportional to 57,401.56, 79,212.61 and 31,907.29

Step by Step Solution

1. Step 1: Write the proportion equation
   57,401.56 : 79,212.61 = 31,907.29 : x
2. Step 2: Convert to fraction form
   57,401.56/79,212.61 = 31,907.29/x
3. Step 3: Cross multiply
   57,401.56x = 79,212.61 × 31,907.29
4. Step 4: Simplify right side
   57,401.56x = 2,527,459,718.93
5. Step 5: Solve for x
   x = 2,527,459,718.93/57,401.56
6. Step 6: Final answer
   x = 44,031.20