Finding the Fourth Proportional to 6,111.05, 9,153.82 and 3,908.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.05 : 9,153.82 = 3,908.60 : x
2. Step 2: Convert to fraction form
   6,111.05/9,153.82 = 3,908.60/x
3. Step 3: Cross multiply
   6,111.05x = 9,153.82 × 3,908.60
4. Step 4: Simplify right side
   6,111.05x = 35,778,565.31
5. Step 5: Solve for x
   x = 35,778,565.31/6,111.05
6. Step 6: Final answer
   x = 5,854.73