Finding the Fourth Proportional to 11,838.83, 17,755.81 and 3,518.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,838.83 : 17,755.81 = 3,518.71 : x
2. Step 2: Convert to fraction form
   11,838.83/17,755.81 = 3,518.71/x
3. Step 3: Cross multiply
   11,838.83x = 17,755.81 × 3,518.71
4. Step 4: Simplify right side
   11,838.83x = 62,477,493.02
5. Step 5: Solve for x
   x = 62,477,493.02/11,838.83
6. Step 6: Final answer
   x = 5,277.34