Finding the Fourth Proportional to 2,296.80, 3,169.56 and 1,248.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.80 : 3,169.56 = 1,248.84 : x
2. Step 2: Convert to fraction form
   2,296.80/3,169.56 = 1,248.84/x
3. Step 3: Cross multiply
   2,296.80x = 3,169.56 × 1,248.84
4. Step 4: Simplify right side
   2,296.80x = 3,958,273.31
5. Step 5: Solve for x
   x = 3,958,273.31/2,296.80
6. Step 6: Final answer
   x = 1,723.39