Finding the Fourth Proportional to 1,760.10, 2,429.91 and 1,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.10 : 2,429.91 = 1,171.50 : x
2. Step 2: Convert to fraction form
   1,760.10/2,429.91 = 1,171.50/x
3. Step 3: Cross multiply
   1,760.10x = 2,429.91 × 1,171.50
4. Step 4: Simplify right side
   1,760.10x = 2,846,639.57
5. Step 5: Solve for x
   x = 2,846,639.57/1,760.10
6. Step 6: Final answer
   x = 1,617.32