Finding the Fourth Proportional to 3,917.84, 5,862.12 and 3,874.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917.84 : 5,862.12 = 3,874.10 : x
2. Step 2: Convert to fraction form
   3,917.84/5,862.12 = 3,874.10/x
3. Step 3: Cross multiply
   3,917.84x = 5,862.12 × 3,874.10
4. Step 4: Simplify right side
   3,917.84x = 22,710,439.09
5. Step 5: Solve for x
   x = 22,710,439.09/3,917.84
6. Step 6: Final answer
   x = 5,796.67