Finding the Fourth Proportional to 8,340.82, 12,507.01 and 2,792.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,340.82 : 12,507.01 = 2,792.18 : x
2. Step 2: Convert to fraction form
   8,340.82/12,507.01 = 2,792.18/x
3. Step 3: Cross multiply
   8,340.82x = 12,507.01 × 2,792.18
4. Step 4: Simplify right side
   8,340.82x = 34,921,823.18
5. Step 5: Solve for x
   x = 34,921,823.18/8,340.82
6. Step 6: Final answer
   x = 4,186.86