Finding the Fourth Proportional to 8,885.02, 12,261.48 and 4,906.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885.02 : 12,261.48 = 4,906.30 : x
2. Step 2: Convert to fraction form
   8,885.02/12,261.48 = 4,906.30/x
3. Step 3: Cross multiply
   8,885.02x = 12,261.48 × 4,906.30
4. Step 4: Simplify right side
   8,885.02x = 60,158,499.32
5. Step 5: Solve for x
   x = 60,158,499.32/8,885.02
6. Step 6: Final answer
   x = 6,770.78