Finding the Fourth Proportional to 10,476.72, 15,717.57 and 3,081.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,476.72 : 15,717.57 = 3,081.42 : x
2. Step 2: Convert to fraction form
   10,476.72/15,717.57 = 3,081.42/x
3. Step 3: Cross multiply
   10,476.72x = 15,717.57 × 3,081.42
4. Step 4: Simplify right side
   10,476.72x = 48,432,434.55
5. Step 5: Solve for x
   x = 48,432,434.55/10,476.72
6. Step 6: Final answer
   x = 4,622.86