Finding the Fourth Proportional to 2,939.72, 4,056.06 and 1,759.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.72 : 4,056.06 = 1,759.96 : x
2. Step 2: Convert to fraction form
   2,939.72/4,056.06 = 1,759.96/x
3. Step 3: Cross multiply
   2,939.72x = 4,056.06 × 1,759.96
4. Step 4: Simplify right side
   2,939.72x = 7,138,493.22
5. Step 5: Solve for x
   x = 7,138,493.22/2,939.72
6. Step 6: Final answer
   x = 2,428.29