Finding the Fourth Proportional to 11,079.03, 16,612.98 and 3,680.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.03 : 16,612.98 = 3,680.90 : x
2. Step 2: Convert to fraction form
   11,079.03/16,612.98 = 3,680.90/x
3. Step 3: Cross multiply
   11,079.03x = 16,612.98 × 3,680.90
4. Step 4: Simplify right side
   11,079.03x = 61,150,635.02
5. Step 5: Solve for x
   x = 61,150,635.02/11,079.03
6. Step 6: Final answer
   x = 5,519.49