Finding the Fourth Proportional to 11,825.82, 17,739.32 and 3,929.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,825.82 : 17,739.32 = 3,929.04 : x
2. Step 2: Convert to fraction form
   11,825.82/17,739.32 = 3,929.04/x
3. Step 3: Cross multiply
   11,825.82x = 17,739.32 × 3,929.04
4. Step 4: Simplify right side
   11,825.82x = 69,698,478.21
5. Step 5: Solve for x
   x = 69,698,478.21/11,825.82
6. Step 6: Final answer
   x = 5,893.75