Finding the Fourth Proportional to 57,118.52, 78,826.02 and 31,624.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,118.52 : 78,826.02 = 31,624.88 : x
2. Step 2: Convert to fraction form
   57,118.52/78,826.02 = 31,624.88/x
3. Step 3: Cross multiply
   57,118.52x = 78,826.02 × 31,624.88
4. Step 4: Simplify right side
   57,118.52x = 2,492,863,429.93
5. Step 5: Solve for x
   x = 2,492,863,429.93/57,118.52
6. Step 6: Final answer
   x = 43,643.70