Finding the Fourth Proportional to 10,780.47, 16,166.33 and 3,382.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.47 : 16,166.33 = 3,382.65 : x
2. Step 2: Convert to fraction form
   10,780.47/16,166.33 = 3,382.65/x
3. Step 3: Cross multiply
   10,780.47x = 16,166.33 × 3,382.65
4. Step 4: Simplify right side
   10,780.47x = 54,685,019.26
5. Step 5: Solve for x
   x = 54,685,019.26/10,780.47
6. Step 6: Final answer
   x = 5,072.60