Finding the Fourth Proportional to 10,439.71, 14,407.01 and 5,723.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.71 : 14,407.01 = 5,723.71 : x
2. Step 2: Convert to fraction form
   10,439.71/14,407.01 = 5,723.71/x
3. Step 3: Cross multiply
   10,439.71x = 14,407.01 × 5,723.71
4. Step 4: Simplify right side
   10,439.71x = 82,461,547.21
5. Step 5: Solve for x
   x = 82,461,547.21/10,439.71
6. Step 6: Final answer
   x = 7,898.84