Finding the Fourth Proportional to 14,978.24, 22,443.20 and 7,958.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.24 : 22,443.20 = 7,958.08 : x
2. Step 2: Convert to fraction form
   14,978.24/22,443.20 = 7,958.08/x
3. Step 3: Cross multiply
   14,978.24x = 22,443.20 × 7,958.08
4. Step 4: Simplify right side
   14,978.24x = 178,604,781.06
5. Step 5: Solve for x
   x = 178,604,781.06/14,978.24
6. Step 6: Final answer
   x = 11,924.28