Finding the Fourth Proportional to 11,317.72, 16,976.79 and 3,922.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,317.72 : 16,976.79 = 3,922.42 : x
2. Step 2: Convert to fraction form
   11,317.72/16,976.79 = 3,922.42/x
3. Step 3: Cross multiply
   11,317.72x = 16,976.79 × 3,922.42
4. Step 4: Simplify right side
   11,317.72x = 66,590,100.63
5. Step 5: Solve for x
   x = 66,590,100.63/11,317.72
6. Step 6: Final answer
   x = 5,883.70