Finding the Fourth Proportional to 2,452.74, 3,384.84 and 1,404.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.74 : 3,384.84 = 1,404.78 : x
2. Step 2: Convert to fraction form
   2,452.74/3,384.84 = 1,404.78/x
3. Step 3: Cross multiply
   2,452.74x = 3,384.84 × 1,404.78
4. Step 4: Simplify right side
   2,452.74x = 4,754,955.54
5. Step 5: Solve for x
   x = 4,754,955.54/2,452.74
6. Step 6: Final answer
   x = 1,938.63