Finding the Fourth Proportional to 3,465.21, 5,168.61 and 3,361.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465.21 : 5,168.61 = 3,361.47 : x
2. Step 2: Convert to fraction form
   3,465.21/5,168.61 = 3,361.47/x
3. Step 3: Cross multiply
   3,465.21x = 5,168.61 × 3,361.47
4. Step 4: Simplify right side
   3,465.21x = 17,374,127.46
5. Step 5: Solve for x
   x = 17,374,127.46/3,465.21
6. Step 6: Final answer
   x = 5,013.87