Finding the Fourth Proportional to 8,353.74, 12,532.04 and 2,807.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,353.74 : 12,532.04 = 2,807.61 : x
2. Step 2: Convert to fraction form
   8,353.74/12,532.04 = 2,807.61/x
3. Step 3: Cross multiply
   8,353.74x = 12,532.04 × 2,807.61
4. Step 4: Simplify right side
   8,353.74x = 35,185,080.82
5. Step 5: Solve for x
   x = 35,185,080.82/8,353.74
6. Step 6: Final answer
   x = 4,211.90