Finding the Fourth Proportional to 2,190.33, 3,279.61 and 1,749.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.33 : 3,279.61 = 1,749.48 : x
2. Step 2: Convert to fraction form
   2,190.33/3,279.61 = 1,749.48/x
3. Step 3: Cross multiply
   2,190.33x = 3,279.61 × 1,749.48
4. Step 4: Simplify right side
   2,190.33x = 5,737,612.10
5. Step 5: Solve for x
   x = 5,737,612.10/2,190.33
6. Step 6: Final answer
   x = 2,619.52