Finding the Fourth Proportional to 11,838.83, 17,759.95 and 3,938.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,838.83 : 17,759.95 = 3,938.76 : x
2. Step 2: Convert to fraction form
   11,838.83/17,759.95 = 3,938.76/x
3. Step 3: Cross multiply
   11,838.83x = 17,759.95 × 3,938.76
4. Step 4: Simplify right side
   11,838.83x = 69,952,170.82
5. Step 5: Solve for x
   x = 69,952,170.82/11,838.83
6. Step 6: Final answer
   x = 5,908.71