Finding the Fourth Proportional to 8,291.34, 12,436.61 and 3,096.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,291.34 : 12,436.61 = 3,096.81 : x
2. Step 2: Convert to fraction form
   8,291.34/12,436.61 = 3,096.81/x
3. Step 3: Cross multiply
   8,291.34x = 12,436.61 × 3,096.81
4. Step 4: Simplify right side
   8,291.34x = 38,513,818.21
5. Step 5: Solve for x
   x = 38,513,818.21/8,291.34
6. Step 6: Final answer
   x = 4,645.07