Finding the Fourth Proportional to 8,781.27, 12,117.72 and 5,004.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,781.27 : 12,117.72 = 5,004.60 : x
2. Step 2: Convert to fraction form
   8,781.27/12,117.72 = 5,004.60/x
3. Step 3: Cross multiply
   8,781.27x = 12,117.72 × 5,004.60
4. Step 4: Simplify right side
   8,781.27x = 60,644,341.51
5. Step 5: Solve for x
   x = 60,644,341.51/8,781.27
6. Step 6: Final answer
   x = 6,906.10