Finding the Fourth Proportional to 2,426.16, 3,348.50 and 1,431.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.16 : 3,348.50 = 1,431.68 : x
2. Step 2: Convert to fraction form
   2,426.16/3,348.50 = 1,431.68/x
3. Step 3: Cross multiply
   2,426.16x = 3,348.50 × 1,431.68
4. Step 4: Simplify right side
   2,426.16x = 4,793,980.48
5. Step 5: Solve for x
   x = 4,793,980.48/2,426.16
6. Step 6: Final answer
   x = 1,975.95