Finding the Fourth Proportional to 3,917.18, 5,866.50 and 3,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917.18 : 5,866.50 = 3,401.42 : x
2. Step 2: Convert to fraction form
   3,917.18/5,866.50 = 3,401.42/x
3. Step 3: Cross multiply
   3,917.18x = 5,866.50 × 3,401.42
4. Step 4: Simplify right side
   3,917.18x = 19,954,430.43
5. Step 5: Solve for x
   x = 19,954,430.43/3,917.18
6. Step 6: Final answer
   x = 5,094.08