Finding the Fourth Proportional to 11,883.72, 17,819.43 and 5,217.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,883.72 : 17,819.43 = 5,217.49 : x
2. Step 2: Convert to fraction form
   11,883.72/17,819.43 = 5,217.49/x
3. Step 3: Cross multiply
   11,883.72x = 17,819.43 × 5,217.49
4. Step 4: Simplify right side
   11,883.72x = 92,972,697.83
5. Step 5: Solve for x
   x = 92,972,697.83/11,883.72
6. Step 6: Final answer
   x = 7,823.53