Finding the Fourth Proportional to 1,258.69, 1,737.89 and 1,125.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.69 : 1,737.89 = 1,125.52 : x
2. Step 2: Convert to fraction form
   1,258.69/1,737.89 = 1,125.52/x
3. Step 3: Cross multiply
   1,258.69x = 1,737.89 × 1,125.52
4. Step 4: Simplify right side
   1,258.69x = 1,956,029.95
5. Step 5: Solve for x
   x = 1,956,029.95/1,258.69
6. Step 6: Final answer
   x = 1,554.02