Finding the Fourth Proportional to 1,960.62, 2,705.57 and 1,175.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.62 : 2,705.57 = 1,175.10 : x
2. Step 2: Convert to fraction form
   1,960.62/2,705.57 = 1,175.10/x
3. Step 3: Cross multiply
   1,960.62x = 2,705.57 × 1,175.10
4. Step 4: Simplify right side
   1,960.62x = 3,179,315.31
5. Step 5: Solve for x
   x = 3,179,315.31/1,960.62
6. Step 6: Final answer
   x = 1,621.59