Finding the Fourth Proportional to 2,092.74, 3,139.79 and 706.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.74 : 3,139.79 = 706.71 : x
2. Step 2: Convert to fraction form
   2,092.74/3,139.79 = 706.71/x
3. Step 3: Cross multiply
   2,092.74x = 3,139.79 × 706.71
4. Step 4: Simplify right side
   2,092.74x = 2,218,917.46
5. Step 5: Solve for x
   x = 2,218,917.46/2,092.74
6. Step 6: Final answer
   x = 1,060.29