Finding the Fourth Proportional to 2,146.33, 3,218.20 and 740.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.33 : 3,218.20 = 740.24 : x
2. Step 2: Convert to fraction form
   2,146.33/3,218.20 = 740.24/x
3. Step 3: Cross multiply
   2,146.33x = 3,218.20 × 740.24
4. Step 4: Simplify right side
   2,146.33x = 2,382,240.37
5. Step 5: Solve for x
   x = 2,382,240.37/2,146.33
6. Step 6: Final answer
   x = 1,109.91