Finding the Fourth Proportional to 6,111.42, 9,168.46 and 3,480.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.42 : 9,168.46 = 3,480.17 : x
2. Step 2: Convert to fraction form
   6,111.42/9,168.46 = 3,480.17/x
3. Step 3: Cross multiply
   6,111.42x = 9,168.46 × 3,480.17
4. Step 4: Simplify right side
   6,111.42x = 31,907,744.90
5. Step 5: Solve for x
   x = 31,907,744.90/6,111.42
6. Step 6: Final answer
   x = 5,221.01