Finding the Fourth Proportional to 10,437.39, 14,403.22 and 5,721.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437.39 : 14,403.22 = 5,721.57 : x
2. Step 2: Convert to fraction form
   10,437.39/14,403.22 = 5,721.57/x
3. Step 3: Cross multiply
   10,437.39x = 14,403.22 × 5,721.57
4. Step 4: Simplify right side
   10,437.39x = 82,409,017.15
5. Step 5: Solve for x
   x = 82,409,017.15/10,437.39
6. Step 6: Final answer
   x = 7,895.56