Finding the Fourth Proportional to 2,253.52, 3,110.10 and 1,258.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.52 : 3,110.10 = 1,258.89 : x
2. Step 2: Convert to fraction form
   2,253.52/3,110.10 = 1,258.89/x
3. Step 3: Cross multiply
   2,253.52x = 3,110.10 × 1,258.89
4. Step 4: Simplify right side
   2,253.52x = 3,915,274.90
5. Step 5: Solve for x
   x = 3,915,274.90/2,253.52
6. Step 6: Final answer
   x = 1,737.40