Finding the Fourth Proportional to 11,882.72, 17,817.93 and 5,216.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,882.72 : 17,817.93 = 5,216.49 : x
2. Step 2: Convert to fraction form
   11,882.72/17,817.93 = 5,216.49/x
3. Step 3: Cross multiply
   11,882.72x = 17,817.93 × 5,216.49
4. Step 4: Simplify right side
   11,882.72x = 92,947,053.67
5. Step 5: Solve for x
   x = 92,947,053.67/11,882.72
6. Step 6: Final answer
   x = 7,822.04