Finding the Fourth Proportional to 2,182.10, 3,266.72 and 1,440.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.10 : 3,266.72 = 1,440.35 : x
2. Step 2: Convert to fraction form
   2,182.10/3,266.72 = 1,440.35/x
3. Step 3: Cross multiply
   2,182.10x = 3,266.72 × 1,440.35
4. Step 4: Simplify right side
   2,182.10x = 4,705,203.82
5. Step 5: Solve for x
   x = 4,705,203.82/2,182.10
6. Step 6: Final answer
   x = 2,156.27