Finding the Fourth Proportional to 10,438.89, 14,405.28 and 5,723.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.89 : 14,405.28 = 5,723.07 : x
2. Step 2: Convert to fraction form
   10,438.89/14,405.28 = 5,723.07/x
3. Step 3: Cross multiply
   10,438.89x = 14,405.28 × 5,723.07
4. Step 4: Simplify right side
   10,438.89x = 82,442,425.81
5. Step 5: Solve for x
   x = 82,442,425.81/10,438.89
6. Step 6: Final answer
   x = 7,897.62