Finding the Fourth Proportional to 2,399.12, 3,310.98 and 1,337.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.12 : 3,310.98 = 1,337.08 : x
2. Step 2: Convert to fraction form
   2,399.12/3,310.98 = 1,337.08/x
3. Step 3: Cross multiply
   2,399.12x = 3,310.98 × 1,337.08
4. Step 4: Simplify right side
   2,399.12x = 4,427,047.37
5. Step 5: Solve for x
   x = 4,427,047.37/2,399.12
6. Step 6: Final answer
   x = 1,845.28