Finding the Fourth Proportional to 2,002.79, 3,004.59 and 705.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.79 : 3,004.59 = 705.17 : x
2. Step 2: Convert to fraction form
   2,002.79/3,004.59 = 705.17/x
3. Step 3: Cross multiply
   2,002.79x = 3,004.59 × 705.17
4. Step 4: Simplify right side
   2,002.79x = 2,118,746.73
5. Step 5: Solve for x
   x = 2,118,746.73/2,002.79
6. Step 6: Final answer
   x = 1,057.90