Finding the Fourth Proportional to 2,523.78, 3,482.43 and 1,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.78 : 3,482.43 = 1,404.72 : x
2. Step 2: Convert to fraction form
   2,523.78/3,482.43 = 1,404.72/x
3. Step 3: Cross multiply
   2,523.78x = 3,482.43 × 1,404.72
4. Step 4: Simplify right side
   2,523.78x = 4,891,839.07
5. Step 5: Solve for x
   x = 4,891,839.07/2,523.78
6. Step 6: Final answer
   x = 1,938.30