Finding the Fourth Proportional to 11,983.82, 17,983.89 and 4,192.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.82 : 17,983.89 = 4,192.56 : x
2. Step 2: Convert to fraction form
   11,983.82/17,983.89 = 4,192.56/x
3. Step 3: Cross multiply
   11,983.82x = 17,983.89 × 4,192.56
4. Step 4: Simplify right side
   11,983.82x = 75,398,537.86
5. Step 5: Solve for x
   x = 75,398,537.86/11,983.82
6. Step 6: Final answer
   x = 6,291.70