Finding the Fourth Proportional to 10,438.56, 14,405.04 and 5,723.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.56 : 14,405.04 = 5,723.28 : x
2. Step 2: Convert to fraction form
   10,438.56/14,405.04 = 5,723.28/x
3. Step 3: Cross multiply
   10,438.56x = 14,405.04 × 5,723.28
4. Step 4: Simplify right side
   10,438.56x = 82,444,077.33
5. Step 5: Solve for x
   x = 82,444,077.33/10,438.56
6. Step 6: Final answer
   x = 7,898.03