Finding the Fourth Proportional to 3,910.48, 5,851.74 and 3,396.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.48 : 5,851.74 = 3,396.53 : x
2. Step 2: Convert to fraction form
   3,910.48/5,851.74 = 3,396.53/x
3. Step 3: Cross multiply
   3,910.48x = 5,851.74 × 3,396.53
4. Step 4: Simplify right side
   3,910.48x = 19,875,637.83
5. Step 5: Solve for x
   x = 19,875,637.83/3,910.48
6. Step 6: Final answer
   x = 5,082.66