Finding the Fourth Proportional to 11,079.72, 16,617.05 and 3,182.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.72 : 16,617.05 = 3,182.18 : x
2. Step 2: Convert to fraction form
   11,079.72/16,617.05 = 3,182.18/x
3. Step 3: Cross multiply
   11,079.72x = 16,617.05 × 3,182.18
4. Step 4: Simplify right side
   11,079.72x = 52,878,396.38
5. Step 5: Solve for x
   x = 52,878,396.38/11,079.72
6. Step 6: Final answer
   x = 4,772.54