Finding the Fourth Proportional to 2,722.51, 4,085.58 and 1,749.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.51 : 4,085.58 = 1,749.31 : x
2. Step 2: Convert to fraction form
   2,722.51/4,085.58 = 1,749.31/x
3. Step 3: Cross multiply
   2,722.51x = 4,085.58 × 1,749.31
4. Step 4: Simplify right side
   2,722.51x = 7,146,945.95
5. Step 5: Solve for x
   x = 7,146,945.95/2,722.51
6. Step 6: Final answer
   x = 2,625.13