Finding the Fourth Proportional to 1,707.72, 2,559.18 and 1,343.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.72 : 2,559.18 = 1,343.22 : x
2. Step 2: Convert to fraction form
   1,707.72/2,559.18 = 1,343.22/x
3. Step 3: Cross multiply
   1,707.72x = 2,559.18 × 1,343.22
4. Step 4: Simplify right side
   1,707.72x = 3,437,541.76
5. Step 5: Solve for x
   x = 3,437,541.76/1,707.72
6. Step 6: Final answer
   x = 2,012.94