Finding the Fourth Proportional to 2,296.78, 3,169.52 and 1,248.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.78 : 3,169.52 = 1,248.82 : x
2. Step 2: Convert to fraction form
   2,296.78/3,169.52 = 1,248.82/x
3. Step 3: Cross multiply
   2,296.78x = 3,169.52 × 1,248.82
4. Step 4: Simplify right side
   2,296.78x = 3,958,159.97
5. Step 5: Solve for x
   x = 3,958,159.97/2,296.78
6. Step 6: Final answer
   x = 1,723.35