Finding the Fourth Proportional to 2,112.82, 3,176.06 and 1,707.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.82 : 3,176.06 = 1,707.30 : x
2. Step 2: Convert to fraction form
   2,112.82/3,176.06 = 1,707.30/x
3. Step 3: Cross multiply
   2,112.82x = 3,176.06 × 1,707.30
4. Step 4: Simplify right side
   2,112.82x = 5,422,478.70
5. Step 5: Solve for x
   x = 5,422,478.70/2,112.82
6. Step 6: Final answer
   x = 2,566.47