Finding the Fourth Proportional to 11,238.10, 16,859.83 and 3,842.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,238.10 : 16,859.83 = 3,842.63 : x
2. Step 2: Convert to fraction form
   11,238.10/16,859.83 = 3,842.63/x
3. Step 3: Cross multiply
   11,238.10x = 16,859.83 × 3,842.63
4. Step 4: Simplify right side
   11,238.10x = 64,786,057.58
5. Step 5: Solve for x
   x = 64,786,057.58/11,238.10
6. Step 6: Final answer
   x = 5,764.86