Finding the Fourth Proportional to 12,708.96, 19,061.82 and 3,943.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,708.96 : 19,061.82 = 3,943.68 : x
2. Step 2: Convert to fraction form
   12,708.96/19,061.82 = 3,943.68/x
3. Step 3: Cross multiply
   12,708.96x = 19,061.82 × 3,943.68
4. Step 4: Simplify right side
   12,708.96x = 75,173,718.30
5. Step 5: Solve for x
   x = 75,173,718.30/12,708.96
6. Step 6: Final answer
   x = 5,915.02