Finding the Fourth Proportional to 11,922.78, 17,884.17 and 4,131.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,922.78 : 17,884.17 = 4,131.59 : x
2. Step 2: Convert to fraction form
   11,922.78/17,884.17 = 4,131.59/x
3. Step 3: Cross multiply
   11,922.78x = 17,884.17 × 4,131.59
4. Step 4: Simplify right side
   11,922.78x = 73,890,035.58
5. Step 5: Solve for x
   x = 73,890,035.58/11,922.78
6. Step 6: Final answer
   x = 6,197.39