Finding the Fourth Proportional to 57,797.50, 79,760.64 and 31,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,797.50 : 79,760.64 = 31,301.50 : x
2. Step 2: Convert to fraction form
   57,797.50/79,760.64 = 31,301.50/x
3. Step 3: Cross multiply
   57,797.50x = 79,760.64 × 31,301.50
4. Step 4: Simplify right side
   57,797.50x = 2,496,627,672.96
5. Step 5: Solve for x
   x = 2,496,627,672.96/57,797.50
6. Step 6: Final answer
   x = 43,196.12