Finding the Fourth Proportional to 2,398.99, 3,310.52 and 1,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.99 : 3,310.52 = 1,336.72 : x
2. Step 2: Convert to fraction form
   2,398.99/3,310.52 = 1,336.72/x
3. Step 3: Cross multiply
   2,398.99x = 3,310.52 × 1,336.72
4. Step 4: Simplify right side
   2,398.99x = 4,425,238.29
5. Step 5: Solve for x
   x = 4,425,238.29/2,398.99
6. Step 6: Final answer
   x = 1,844.63