Finding the Fourth Proportional to 1,760.61, 2,429.57 and 1,061.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.61 : 2,429.57 = 1,061.85 : x
2. Step 2: Convert to fraction form
   1,760.61/2,429.57 = 1,061.85/x
3. Step 3: Cross multiply
   1,760.61x = 2,429.57 × 1,061.85
4. Step 4: Simplify right side
   1,760.61x = 2,579,833.60
5. Step 5: Solve for x
   x = 2,579,833.60/1,760.61
6. Step 6: Final answer
   x = 1,465.31