Finding the Fourth Proportional to 8,478.83, 12,718.81 and 2,932.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,478.83 : 12,718.81 = 2,932.71 : x
2. Step 2: Convert to fraction form
   8,478.83/12,718.81 = 2,932.71/x
3. Step 3: Cross multiply
   8,478.83x = 12,718.81 × 2,932.71
4. Step 4: Simplify right side
   8,478.83x = 37,300,566.61
5. Step 5: Solve for x
   x = 37,300,566.61/8,478.83
6. Step 6: Final answer
   x = 4,399.26