Finding the Fourth Proportional to 2,253.51, 3,109.85 and 1,258.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.51 : 3,109.85 = 1,258.82 : x
2. Step 2: Convert to fraction form
   2,253.51/3,109.85 = 1,258.82/x
3. Step 3: Cross multiply
   2,253.51x = 3,109.85 × 1,258.82
4. Step 4: Simplify right side
   2,253.51x = 3,914,747.58
5. Step 5: Solve for x
   x = 3,914,747.58/2,253.51
6. Step 6: Final answer
   x = 1,737.18