Finding the Fourth Proportional to 10,438.74, 14,405.43 and 5,723.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.74 : 14,405.43 = 5,723.03 : x
2. Step 2: Convert to fraction form
   10,438.74/14,405.43 = 5,723.03/x
3. Step 3: Cross multiply
   10,438.74x = 14,405.43 × 5,723.03
4. Step 4: Simplify right side
   10,438.74x = 82,442,636.03
5. Step 5: Solve for x
   x = 82,442,636.03/10,438.74
6. Step 6: Final answer
   x = 7,897.76