Finding the Fourth Proportional to 10,776.59, 16,164.90 and 3,381.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,776.59 : 16,164.90 = 3,381.62 : x
2. Step 2: Convert to fraction form
   10,776.59/16,164.90 = 3,381.62/x
3. Step 3: Cross multiply
   10,776.59x = 16,164.90 × 3,381.62
4. Step 4: Simplify right side
   10,776.59x = 54,663,468.31
5. Step 5: Solve for x
   x = 54,663,468.31/10,776.59
6. Step 6: Final answer
   x = 5,072.43