Finding the Fourth Proportional to 3,912.82, 5,838.60 and 3,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.82 : 5,838.60 = 3,498.50 : x
2. Step 2: Convert to fraction form
   3,912.82/5,838.60 = 3,498.50/x
3. Step 3: Cross multiply
   3,912.82x = 5,838.60 × 3,498.50
4. Step 4: Simplify right side
   3,912.82x = 20,426,342.10
5. Step 5: Solve for x
   x = 20,426,342.10/3,912.82
6. Step 6: Final answer
   x = 5,220.36