Finding the Fourth Proportional to 11,003.04, 16,506.72 and 4,078.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.04 : 16,506.72 = 4,078.08 : x
2. Step 2: Convert to fraction form
   11,003.04/16,506.72 = 4,078.08/x
3. Step 3: Cross multiply
   11,003.04x = 16,506.72 × 4,078.08
4. Step 4: Simplify right side
   11,003.04x = 67,315,724.70
5. Step 5: Solve for x
   x = 67,315,724.70/11,003.04
6. Step 6: Final answer
   x = 6,117.92