Finding the Fourth Proportional to 2,296.67, 3,169.37 and 1,248.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.67 : 3,169.37 = 1,248.72 : x
2. Step 2: Convert to fraction form
   2,296.67/3,169.37 = 1,248.72/x
3. Step 3: Cross multiply
   2,296.67x = 3,169.37 × 1,248.72
4. Step 4: Simplify right side
   2,296.67x = 3,957,649.46
5. Step 5: Solve for x
   x = 3,957,649.46/2,296.67
6. Step 6: Final answer
   x = 1,723.22