Finding the Fourth Proportional to 1,368.72, 2,049.82 and 708.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.72 : 2,049.82 = 708.82 : x
2. Step 2: Convert to fraction form
   1,368.72/2,049.82 = 708.82/x
3. Step 3: Cross multiply
   1,368.72x = 2,049.82 × 708.82
4. Step 4: Simplify right side
   1,368.72x = 1,452,953.41
5. Step 5: Solve for x
   x = 1,452,953.41/1,368.72
6. Step 6: Final answer
   x = 1,061.54