Finding the Fourth Proportional to 8,290.76, 12,436.70 and 3,096.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,290.76 : 12,436.70 = 3,096.52 : x
2. Step 2: Convert to fraction form
   8,290.76/12,436.70 = 3,096.52/x
3. Step 3: Cross multiply
   8,290.76x = 12,436.70 × 3,096.52
4. Step 4: Simplify right side
   8,290.76x = 38,510,490.28
5. Step 5: Solve for x
   x = 38,510,490.28/8,290.76
6. Step 6: Final answer
   x = 4,644.99