Finding the Fourth Proportional to 2,939.58, 4,055.42 and 1,760.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.58 : 4,055.42 = 1,760.63 : x
2. Step 2: Convert to fraction form
   2,939.58/4,055.42 = 1,760.63/x
3. Step 3: Cross multiply
   2,939.58x = 4,055.42 × 1,760.63
4. Step 4: Simplify right side
   2,939.58x = 7,140,065.03
5. Step 5: Solve for x
   x = 7,140,065.03/2,939.58
6. Step 6: Final answer
   x = 2,428.94