Finding the Fourth Proportional to 2,426.36, 3,347.98 and 1,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.36 : 3,347.98 = 1,431.50 : x
2. Step 2: Convert to fraction form
   2,426.36/3,347.98 = 1,431.50/x
3. Step 3: Cross multiply
   2,426.36x = 3,347.98 × 1,431.50
4. Step 4: Simplify right side
   2,426.36x = 4,792,613.05
5. Step 5: Solve for x
   x = 4,792,613.05/2,426.36
6. Step 6: Final answer
   x = 1,975.23