Finding the Fourth Proportional to 10,437.15, 14,403.16 and 5,721.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437.15 : 14,403.16 = 5,721.42 : x
2. Step 2: Convert to fraction form
   10,437.15/14,403.16 = 5,721.42/x
3. Step 3: Cross multiply
   10,437.15x = 14,403.16 × 5,721.42
4. Step 4: Simplify right side
   10,437.15x = 82,406,527.69
5. Step 5: Solve for x
   x = 82,406,527.69/10,437.15
6. Step 6: Final answer
   x = 7,895.50