Finding the Fourth Proportional to 16,001.72, 24,003.12 and 4,315.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,001.72 : 24,003.12 = 4,315.04 : x
2. Step 2: Convert to fraction form
   16,001.72/24,003.12 = 4,315.04/x
3. Step 3: Cross multiply
   16,001.72x = 24,003.12 × 4,315.04
4. Step 4: Simplify right side
   16,001.72x = 103,574,422.92
5. Step 5: Solve for x
   x = 103,574,422.92/16,001.72
6. Step 6: Final answer
   x = 6,472.71