Finding the Fourth Proportional to 2,200.18, 3,272.21 and 2,144.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.18 : 3,272.21 = 2,144.76 : x
2. Step 2: Convert to fraction form
   2,200.18/3,272.21 = 2,144.76/x
3. Step 3: Cross multiply
   2,200.18x = 3,272.21 × 2,144.76
4. Step 4: Simplify right side
   2,200.18x = 7,018,120.64
5. Step 5: Solve for x
   x = 7,018,120.64/2,200.18
6. Step 6: Final answer
   x = 3,189.79