Finding the Fourth Proportional to 8,881.18, 12,256.38 and 4,902.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.18 : 12,256.38 = 4,902.15 : x
2. Step 2: Convert to fraction form
   8,881.18/12,256.38 = 4,902.15/x
3. Step 3: Cross multiply
   8,881.18x = 12,256.38 × 4,902.15
4. Step 4: Simplify right side
   8,881.18x = 60,082,659.18
5. Step 5: Solve for x
   x = 60,082,659.18/8,881.18
6. Step 6: Final answer
   x = 6,765.17