Finding the Fourth Proportional to 57,414.72, 79,233.21 and 31,574.34

Step by Step Solution

1. Step 1: Write the proportion equation
   57,414.72 : 79,233.21 = 31,574.34 : x
2. Step 2: Convert to fraction form
   57,414.72/79,233.21 = 31,574.34/x
3. Step 3: Cross multiply
   57,414.72x = 79,233.21 × 31,574.34
4. Step 4: Simplify right side
   57,414.72x = 2,501,736,311.83
5. Step 5: Solve for x
   x = 2,501,736,311.83/57,414.72
6. Step 6: Final answer
   x = 43,573.08