Finding the Fourth Proportional to 2,939.58, 4,056.37 and 1,760.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.58 : 4,056.37 = 1,760.22 : x
2. Step 2: Convert to fraction form
   2,939.58/4,056.37 = 1,760.22/x
3. Step 3: Cross multiply
   2,939.58x = 4,056.37 × 1,760.22
4. Step 4: Simplify right side
   2,939.58x = 7,140,103.60
5. Step 5: Solve for x
   x = 7,140,103.60/2,939.58
6. Step 6: Final answer
   x = 2,428.95