Finding the Fourth Proportional to 11,660.71, 17,485.91 and 3,338.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,660.71 : 17,485.91 = 3,338.83 : x
2. Step 2: Convert to fraction form
   11,660.71/17,485.91 = 3,338.83/x
3. Step 3: Cross multiply
   11,660.71x = 17,485.91 × 3,338.83
4. Step 4: Simplify right side
   11,660.71x = 58,382,516.25
5. Step 5: Solve for x
   x = 58,382,516.25/11,660.71
6. Step 6: Final answer
   x = 5,006.77