Finding the Fourth Proportional to 57,770.52, 79,723.28 and 31,274.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,770.52 : 79,723.28 = 31,274.52 : x
2. Step 2: Convert to fraction form
   57,770.52/79,723.28 = 31,274.52/x
3. Step 3: Cross multiply
   57,770.52x = 79,723.28 × 31,274.52
4. Step 4: Simplify right side
   57,770.52x = 2,493,307,314.83
5. Step 5: Solve for x
   x = 2,493,307,314.83/57,770.52
6. Step 6: Final answer
   x = 43,158.82