Finding the Fourth Proportional to 11,739.10, 17,610.18 and 3,838.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,739.10 : 17,610.18 = 3,838.86 : x
2. Step 2: Convert to fraction form
   11,739.10/17,610.18 = 3,838.86/x
3. Step 3: Cross multiply
   11,739.10x = 17,610.18 × 3,838.86
4. Step 4: Simplify right side
   11,739.10x = 67,603,015.59
5. Step 5: Solve for x
   x = 67,603,015.59/11,739.10
6. Step 6: Final answer
   x = 5,758.79