Finding the Fourth Proportional to 2,398.52, 3,309.99 and 1,404.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.52 : 3,309.99 = 1,404.38 : x
2. Step 2: Convert to fraction form
   2,398.52/3,309.99 = 1,404.38/x
3. Step 3: Cross multiply
   2,398.52x = 3,309.99 × 1,404.38
4. Step 4: Simplify right side
   2,398.52x = 4,648,483.76
5. Step 5: Solve for x
   x = 4,648,483.76/2,398.52
6. Step 6: Final answer
   x = 1,938.06