Finding the Fourth Proportional to 2,761.89, 4,142.69 and 1,030.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.89 : 4,142.69 = 1,030.38 : x
2. Step 2: Convert to fraction form
   2,761.89/4,142.69 = 1,030.38/x
3. Step 3: Cross multiply
   2,761.89x = 4,142.69 × 1,030.38
4. Step 4: Simplify right side
   2,761.89x = 4,268,544.92
5. Step 5: Solve for x
   x = 4,268,544.92/2,761.89
6. Step 6: Final answer
   x = 1,545.52