Finding the Fourth Proportional to 14,649.72, 21,974.37 and 3,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,649.72 : 21,974.37 = 3,556.50 : x
2. Step 2: Convert to fraction form
   14,649.72/21,974.37 = 3,556.50/x
3. Step 3: Cross multiply
   14,649.72x = 21,974.37 × 3,556.50
4. Step 4: Simplify right side
   14,649.72x = 78,151,846.91
5. Step 5: Solve for x
   x = 78,151,846.91/14,649.72
6. Step 6: Final answer
   x = 5,334.70