Finding the Fourth Proportional to 2,939.83, 4,055.56 and 1,760.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.83 : 4,055.56 = 1,760.67 : x
2. Step 2: Convert to fraction form
   2,939.83/4,055.56 = 1,760.67/x
3. Step 3: Cross multiply
   2,939.83x = 4,055.56 × 1,760.67
4. Step 4: Simplify right side
   2,939.83x = 7,140,502.83
5. Step 5: Solve for x
   x = 7,140,502.83/2,939.83
6. Step 6: Final answer
   x = 2,428.88