Finding the Fourth Proportional to 16,335.81, 24,501.42 and 5,243.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,335.81 : 24,501.42 = 5,243.47 : x
2. Step 2: Convert to fraction form
   16,335.81/24,501.42 = 5,243.47/x
3. Step 3: Cross multiply
   16,335.81x = 24,501.42 × 5,243.47
4. Step 4: Simplify right side
   16,335.81x = 128,472,399.47
5. Step 5: Solve for x
   x = 128,472,399.47/16,335.81
6. Step 6: Final answer
   x = 7,864.46