Finding the Fourth Proportional to 16,308.03, 24,454.15 and 7,978.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.03 : 24,454.15 = 7,978.30 : x
2. Step 2: Convert to fraction form
   16,308.03/24,454.15 = 7,978.30/x
3. Step 3: Cross multiply
   16,308.03x = 24,454.15 × 7,978.30
4. Step 4: Simplify right side
   16,308.03x = 195,102,544.95
5. Step 5: Solve for x
   x = 195,102,544.95/16,308.03
6. Step 6: Final answer
   x = 11,963.59