Finding the Fourth Proportional to 2,551.98, 3,827.82 and 1,253

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.98 : 3,827.82 = 1,253 : x
2. Step 2: Convert to fraction form
   2,551.98/3,827.82 = 1,253/x
3. Step 3: Cross multiply
   2,551.98x = 3,827.82 × 1,253
4. Step 4: Simplify right side
   2,551.98x = 4,796,258.46
5. Step 5: Solve for x
   x = 4,796,258.46/2,551.98
6. Step 6: Final answer
   x = 1,879.43