Finding the Fourth Proportional to 2,253.52, 3,109.84 and 1,258.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.52 : 3,109.84 = 1,258.80 : x
2. Step 2: Convert to fraction form
   2,253.52/3,109.84 = 1,258.80/x
3. Step 3: Cross multiply
   2,253.52x = 3,109.84 × 1,258.80
4. Step 4: Simplify right side
   2,253.52x = 3,914,666.59
5. Step 5: Solve for x
   x = 3,914,666.59/2,253.52
6. Step 6: Final answer
   x = 1,737.13