Finding the Fourth Proportional to 11,773.86, 17,664.12 and 3,983.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,773.86 : 17,664.12 = 3,983.28 : x
2. Step 2: Convert to fraction form
   11,773.86/17,664.12 = 3,983.28/x
3. Step 3: Cross multiply
   11,773.86x = 17,664.12 × 3,983.28
4. Step 4: Simplify right side
   11,773.86x = 70,361,135.91
5. Step 5: Solve for x
   x = 70,361,135.91/11,773.86
6. Step 6: Final answer
   x = 5,976.05