Finding the Fourth Proportional to 8,885.32, 12,261.36 and 4,906.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885.32 : 12,261.36 = 4,906.34 : x
2. Step 2: Convert to fraction form
   8,885.32/12,261.36 = 4,906.34/x
3. Step 3: Cross multiply
   8,885.32x = 12,261.36 × 4,906.34
4. Step 4: Simplify right side
   8,885.32x = 60,158,401.02
5. Step 5: Solve for x
   x = 60,158,401.02/8,885.32
6. Step 6: Final answer
   x = 6,770.54