Finding the Fourth Proportional to 8,290.16, 12,436.15 and 2,446.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,290.16 : 12,436.15 = 2,446.77 : x
2. Step 2: Convert to fraction form
   8,290.16/12,436.15 = 2,446.77/x
3. Step 3: Cross multiply
   8,290.16x = 12,436.15 × 2,446.77
4. Step 4: Simplify right side
   8,290.16x = 30,428,398.74
5. Step 5: Solve for x
   x = 30,428,398.74/8,290.16
6. Step 6: Final answer
   x = 3,670.42