Finding the Fourth Proportional to 11,781.27, 17,671.89 and 3,016.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,781.27 : 17,671.89 = 3,016.19 : x
2. Step 2: Convert to fraction form
   11,781.27/17,671.89 = 3,016.19/x
3. Step 3: Cross multiply
   11,781.27x = 17,671.89 × 3,016.19
4. Step 4: Simplify right side
   11,781.27x = 53,301,777.90
5. Step 5: Solve for x
   x = 53,301,777.90/11,781.27
6. Step 6: Final answer
   x = 4,524.28