Finding the Fourth Proportional to 3,105.07, 4,284.52 and 1,760.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.07 : 4,284.52 = 1,760.61 : x
2. Step 2: Convert to fraction form
   3,105.07/4,284.52 = 1,760.61/x
3. Step 3: Cross multiply
   3,105.07x = 4,284.52 × 1,760.61
4. Step 4: Simplify right side
   3,105.07x = 7,543,368.76
5. Step 5: Solve for x
   x = 7,543,368.76/3,105.07
6. Step 6: Final answer
   x = 2,429.37