Finding the Fourth Proportional to 10,401.44, 14,354.04 and 5,685.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.44 : 14,354.04 = 5,685.72 : x
2. Step 2: Convert to fraction form
   10,401.44/14,354.04 = 5,685.72/x
3. Step 3: Cross multiply
   10,401.44x = 14,354.04 × 5,685.72
4. Step 4: Simplify right side
   10,401.44x = 81,613,012.20
5. Step 5: Solve for x
   x = 81,613,012.20/10,401.44
6. Step 6: Final answer
   x = 7,846.32