Finding the Fourth Proportional to 2,426.76, 3,347.10 and 1,640.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.76 : 3,347.10 = 1,640.52 : x
2. Step 2: Convert to fraction form
   2,426.76/3,347.10 = 1,640.52/x
3. Step 3: Cross multiply
   2,426.76x = 3,347.10 × 1,640.52
4. Step 4: Simplify right side
   2,426.76x = 5,490,984.49
5. Step 5: Solve for x
   x = 5,490,984.49/2,426.76
6. Step 6: Final answer
   x = 2,262.68