Finding the Fourth Proportional to 14,648.08, 21,972.16 and 3,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,648.08 : 21,972.16 = 3,554.72 : x
2. Step 2: Convert to fraction form
   14,648.08/21,972.16 = 3,554.72/x
3. Step 3: Cross multiply
   14,648.08x = 21,972.16 × 3,554.72
4. Step 4: Simplify right side
   14,648.08x = 78,104,876.60
5. Step 5: Solve for x
   x = 78,104,876.60/14,648.08
6. Step 6: Final answer
   x = 5,332.09