Finding the Fourth Proportional to 16,378.72, 24,569.52 and 5,281.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,378.72 : 24,569.52 = 5,281.12 : x
2. Step 2: Convert to fraction form
   16,378.72/24,569.52 = 5,281.12/x
3. Step 3: Cross multiply
   16,378.72x = 24,569.52 × 5,281.12
4. Step 4: Simplify right side
   16,378.72x = 129,754,583.46
5. Step 5: Solve for x
   x = 129,754,583.46/16,378.72
6. Step 6: Final answer
   x = 7,922.14