Finding the Fourth Proportional to 11,888.82, 17,839.37 and 5,229.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,888.82 : 17,839.37 = 5,229.99 : x
2. Step 2: Convert to fraction form
   11,888.82/17,839.37 = 5,229.99/x
3. Step 3: Cross multiply
   11,888.82x = 17,839.37 × 5,229.99
4. Step 4: Simplify right side
   11,888.82x = 93,299,700.56
5. Step 5: Solve for x
   x = 93,299,700.56/11,888.82
6. Step 6: Final answer
   x = 7,847.68