Finding the Fourth Proportional to 14,978.39, 22,452.35 and 9,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.39 : 22,452.35 = 9,716.72 : x
2. Step 2: Convert to fraction form
   14,978.39/22,452.35 = 9,716.72/x
3. Step 3: Cross multiply
   14,978.39x = 22,452.35 × 9,716.72
4. Step 4: Simplify right side
   14,978.39x = 218,163,037.45
5. Step 5: Solve for x
   x = 218,163,037.45/14,978.39
6. Step 6: Final answer
   x = 14,565.19