Finding the Fourth Proportional to 3,939.82, 5,910.63 and 1,342.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939.82 : 5,910.63 = 1,342.75 : x
2. Step 2: Convert to fraction form
   3,939.82/5,910.63 = 1,342.75/x
3. Step 3: Cross multiply
   3,939.82x = 5,910.63 × 1,342.75
4. Step 4: Simplify right side
   3,939.82x = 7,936,498.43
5. Step 5: Solve for x
   x = 7,936,498.43/3,939.82
6. Step 6: Final answer
   x = 2,014.43