Finding the Fourth Proportional to 10,437.61, 14,403.98 and 5,721.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437.61 : 14,403.98 = 5,721.89 : x
2. Step 2: Convert to fraction form
   10,437.61/14,403.98 = 5,721.89/x
3. Step 3: Cross multiply
   10,437.61x = 14,403.98 × 5,721.89
4. Step 4: Simplify right side
   10,437.61x = 82,417,980.24
5. Step 5: Solve for x
   x = 82,417,980.24/10,437.61
6. Step 6: Final answer
   x = 7,896.25