Finding the Fourth Proportional to 8,332.12, 12,498.23 and 2,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,332.12 : 12,498.23 = 2,488.78 : x
2. Step 2: Convert to fraction form
   8,332.12/12,498.23 = 2,488.78/x
3. Step 3: Cross multiply
   8,332.12x = 12,498.23 × 2,488.78
4. Step 4: Simplify right side
   8,332.12x = 31,105,344.86
5. Step 5: Solve for x
   x = 31,105,344.86/8,332.12
6. Step 6: Final answer
   x = 3,733.18