Finding the Fourth Proportional to 2,589.78, 3,883.30 and 1,354.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.78 : 3,883.30 = 1,354.16 : x
2. Step 2: Convert to fraction form
   2,589.78/3,883.30 = 1,354.16/x
3. Step 3: Cross multiply
   2,589.78x = 3,883.30 × 1,354.16
4. Step 4: Simplify right side
   2,589.78x = 5,258,609.53
5. Step 5: Solve for x
   x = 5,258,609.53/2,589.78
6. Step 6: Final answer
   x = 2,030.52