Finding the Fourth Proportional to 2,208.72, 3,315.70 and 1,746.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.72 : 3,315.70 = 1,746.84 : x
2. Step 2: Convert to fraction form
   2,208.72/3,315.70 = 1,746.84/x
3. Step 3: Cross multiply
   2,208.72x = 3,315.70 × 1,746.84
4. Step 4: Simplify right side
   2,208.72x = 5,791,997.39
5. Step 5: Solve for x
   x = 5,791,997.39/2,208.72
6. Step 6: Final answer
   x = 2,622.33