Finding the Fourth Proportional to 57,315.59, 79,100.51 and 31,826.91

Step by Step Solution

1. Step 1: Write the proportion equation
   57,315.59 : 79,100.51 = 31,826.91 : x
2. Step 2: Convert to fraction form
   57,315.59/79,100.51 = 31,826.91/x
3. Step 3: Cross multiply
   57,315.59x = 79,100.51 × 31,826.91
4. Step 4: Simplify right side
   57,315.59x = 2,517,524,812.72
5. Step 5: Solve for x
   x = 2,517,524,812.72/57,315.59
6. Step 6: Final answer
   x = 43,923.91