Finding the Fourth Proportional to 6,910.79, 9,536.61 and 3,885.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.79 : 9,536.61 = 3,885.83 : x
2. Step 2: Convert to fraction form
   6,910.79/9,536.61 = 3,885.83/x
3. Step 3: Cross multiply
   6,910.79x = 9,536.61 × 3,885.83
4. Step 4: Simplify right side
   6,910.79x = 37,057,647.89
5. Step 5: Solve for x
   x = 37,057,647.89/6,910.79
6. Step 6: Final answer
   x = 5,362.28