Finding the Fourth Proportional to 14,650.98, 21,976.16 and 3,557.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,650.98 : 21,976.16 = 3,557.72 : x
2. Step 2: Convert to fraction form
   14,650.98/21,976.16 = 3,557.72/x
3. Step 3: Cross multiply
   14,650.98x = 21,976.16 × 3,557.72
4. Step 4: Simplify right side
   14,650.98x = 78,185,081.12
5. Step 5: Solve for x
   x = 78,185,081.12/14,650.98
6. Step 6: Final answer
   x = 5,336.51