Finding the Fourth Proportional to 8,880.96, 12,255.66 and 4,902.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,880.96 : 12,255.66 = 4,902.07 : x
2. Step 2: Convert to fraction form
   8,880.96/12,255.66 = 4,902.07/x
3. Step 3: Cross multiply
   8,880.96x = 12,255.66 × 4,902.07
4. Step 4: Simplify right side
   8,880.96x = 60,078,100.15
5. Step 5: Solve for x
   x = 60,078,100.15/8,880.96
6. Step 6: Final answer
   x = 6,764.82