Finding the Fourth Proportional to 8,885.17, 12,261.57 and 4,906.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885.17 : 12,261.57 = 4,906.42 : x
2. Step 2: Convert to fraction form
   8,885.17/12,261.57 = 4,906.42/x
3. Step 3: Cross multiply
   8,885.17x = 12,261.57 × 4,906.42
4. Step 4: Simplify right side
   8,885.17x = 60,160,412.28
5. Step 5: Solve for x
   x = 60,160,412.28/8,885.17
6. Step 6: Final answer
   x = 6,770.88