Finding the Fourth Proportional to 11,882.24, 17,820.55 and 3,985.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,882.24 : 17,820.55 = 3,985.04 : x
2. Step 2: Convert to fraction form
   11,882.24/17,820.55 = 3,985.04/x
3. Step 3: Cross multiply
   11,882.24x = 17,820.55 × 3,985.04
4. Step 4: Simplify right side
   11,882.24x = 71,015,654.10
5. Step 5: Solve for x
   x = 71,015,654.10/11,882.24
6. Step 6: Final answer
   x = 5,976.62