Finding the Fourth Proportional to 2,426.80, 3,348.88 and 1,322.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.80 : 3,348.88 = 1,322.80 : x
2. Step 2: Convert to fraction form
   2,426.80/3,348.88 = 1,322.80/x
3. Step 3: Cross multiply
   2,426.80x = 3,348.88 × 1,322.80
4. Step 4: Simplify right side
   2,426.80x = 4,429,898.46
5. Step 5: Solve for x
   x = 4,429,898.46/2,426.80
6. Step 6: Final answer
   x = 1,825.41