Finding the Fourth Proportional to 8,881.13, 12,255.72 and 4,902.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.13 : 12,255.72 = 4,902.17 : x
2. Step 2: Convert to fraction form
   8,881.13/12,255.72 = 4,902.17/x
3. Step 3: Cross multiply
   8,881.13x = 12,255.72 × 4,902.17
4. Step 4: Simplify right side
   8,881.13x = 60,079,622.91
5. Step 5: Solve for x
   x = 60,079,622.91/8,881.13
6. Step 6: Final answer
   x = 6,764.86