Finding the Fourth Proportional to 8,881.36, 12,256.20 and 4,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.36 : 12,256.20 = 4,902.50 : x
2. Step 2: Convert to fraction form
   8,881.36/12,256.20 = 4,902.50/x
3. Step 3: Cross multiply
   8,881.36x = 12,256.20 × 4,902.50
4. Step 4: Simplify right side
   8,881.36x = 60,086,020.50
5. Step 5: Solve for x
   x = 60,086,020.50/8,881.36
6. Step 6: Final answer
   x = 6,765.41