Finding the Fourth Proportional to 8,320.72, 12,478.00 and 2,395.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.72 : 12,478.00 = 2,395.61 : x
2. Step 2: Convert to fraction form
   8,320.72/12,478.00 = 2,395.61/x
3. Step 3: Cross multiply
   8,320.72x = 12,478.00 × 2,395.61
4. Step 4: Simplify right side
   8,320.72x = 29,892,366.00
5. Step 5: Solve for x
   x = 29,892,366.00/8,320.72
6. Step 6: Final answer
   x = 3,592.52