Finding the Fourth Proportional to 10,437.12, 14,403.56 and 5,721.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437.12 : 14,403.56 = 5,721.84 : x
2. Step 2: Convert to fraction form
   10,437.12/14,403.56 = 5,721.84/x
3. Step 3: Cross multiply
   10,437.12x = 14,403.56 × 5,721.84
4. Step 4: Simplify right side
   10,437.12x = 82,414,837.14
5. Step 5: Solve for x
   x = 82,414,837.14/10,437.12
6. Step 6: Final answer
   x = 7,896.32