Finding the Fourth Proportional to 10,514.91, 15,772.42 and 3,119.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,514.91 : 15,772.42 = 3,119.43 : x
2. Step 2: Convert to fraction form
   10,514.91/15,772.42 = 3,119.43/x
3. Step 3: Cross multiply
   10,514.91x = 15,772.42 × 3,119.43
4. Step 4: Simplify right side
   10,514.91x = 49,200,960.12
5. Step 5: Solve for x
   x = 49,200,960.12/10,514.91
6. Step 6: Final answer
   x = 4,679.16