Finding the Fourth Proportional to 2,896.87, 4,345.27 and 705.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,896.87 : 4,345.27 = 705.61 : x
2. Step 2: Convert to fraction form
   2,896.87/4,345.27 = 705.61/x
3. Step 3: Cross multiply
   2,896.87x = 4,345.27 × 705.61
4. Step 4: Simplify right side
   2,896.87x = 3,066,065.96
5. Step 5: Solve for x
   x = 3,066,065.96/2,896.87
6. Step 6: Final answer
   x = 1,058.41