Finding the Fourth Proportional to 10,806.39, 16,180.35 and 5,601.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,806.39 : 16,180.35 = 5,601.33 : x
2. Step 2: Convert to fraction form
   10,806.39/16,180.35 = 5,601.33/x
3. Step 3: Cross multiply
   10,806.39x = 16,180.35 × 5,601.33
4. Step 4: Simplify right side
   10,806.39x = 90,631,479.87
5. Step 5: Solve for x
   x = 90,631,479.87/10,806.39
6. Step 6: Final answer
   x = 8,386.84