Finding the Fourth Proportional to 11,079.50, 16,619.98 and 4,154.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.50 : 16,619.98 = 4,154.18 : x
2. Step 2: Convert to fraction form
   11,079.50/16,619.98 = 4,154.18/x
3. Step 3: Cross multiply
   11,079.50x = 16,619.98 × 4,154.18
4. Step 4: Simplify right side
   11,079.50x = 69,042,388.52
5. Step 5: Solve for x
   x = 69,042,388.52/11,079.50
6. Step 6: Final answer
   x = 6,231.54