Finding the Fourth Proportional to 10,439.56, 14,406.96 and 5,723.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.56 : 14,406.96 = 5,723.86 : x
2. Step 2: Convert to fraction form
   10,439.56/14,406.96 = 5,723.86/x
3. Step 3: Cross multiply
   10,439.56x = 14,406.96 × 5,723.86
4. Step 4: Simplify right side
   10,439.56x = 82,463,422.07
5. Step 5: Solve for x
   x = 82,463,422.07/10,439.56
6. Step 6: Final answer
   x = 7,899.13