Finding the Fourth Proportional to 1,760.10, 2,430.98 and 1,169.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.10 : 2,430.98 = 1,169.61 : x
2. Step 2: Convert to fraction form
   1,760.10/2,430.98 = 1,169.61/x
3. Step 3: Cross multiply
   1,760.10x = 2,430.98 × 1,169.61
4. Step 4: Simplify right side
   1,760.10x = 2,843,298.52
5. Step 5: Solve for x
   x = 2,843,298.52/1,760.10
6. Step 6: Final answer
   x = 1,615.42