Finding the Fourth Proportional to 2,093.76, 3,139.56 and 706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.76 : 3,139.56 = 706.56 : x
2. Step 2: Convert to fraction form
   2,093.76/3,139.56 = 706.56/x
3. Step 3: Cross multiply
   2,093.76x = 3,139.56 × 706.56
4. Step 4: Simplify right side
   2,093.76x = 2,218,287.51
5. Step 5: Solve for x
   x = 2,218,287.51/2,093.76
6. Step 6: Final answer
   x = 1,059.48