Finding the Fourth Proportional to 2,939.69, 4,055.06 and 1,760.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.69 : 4,055.06 = 1,760.54 : x
2. Step 2: Convert to fraction form
   2,939.69/4,055.06 = 1,760.54/x
3. Step 3: Cross multiply
   2,939.69x = 4,055.06 × 1,760.54
4. Step 4: Simplify right side
   2,939.69x = 7,139,079.46
5. Step 5: Solve for x
   x = 7,139,079.46/2,939.69
6. Step 6: Final answer
   x = 2,428.51