Finding the Fourth Proportional to 2,426.30, 3,348.72 and 1,431.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.30 : 3,348.72 = 1,431.52 : x
2. Step 2: Convert to fraction form
   2,426.30/3,348.72 = 1,431.52/x
3. Step 3: Cross multiply
   2,426.30x = 3,348.72 × 1,431.52
4. Step 4: Simplify right side
   2,426.30x = 4,793,759.65
5. Step 5: Solve for x
   x = 4,793,759.65/2,426.30
6. Step 6: Final answer
   x = 1,975.75