Finding the Fourth Proportional to 11,842.02, 17,759.17 and 3,942.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,842.02 : 17,759.17 = 3,942.85 : x
2. Step 2: Convert to fraction form
   11,842.02/17,759.17 = 3,942.85/x
3. Step 3: Cross multiply
   11,842.02x = 17,759.17 × 3,942.85
4. Step 4: Simplify right side
   11,842.02x = 70,021,743.43
5. Step 5: Solve for x
   x = 70,021,743.43/11,842.02
6. Step 6: Final answer
   x = 5,912.99