Finding the Fourth Proportional to 11,026.50, 16,540.02 and 4,362.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026.50 : 16,540.02 = 4,362.72 : x
2. Step 2: Convert to fraction form
   11,026.50/16,540.02 = 4,362.72/x
3. Step 3: Cross multiply
   11,026.50x = 16,540.02 × 4,362.72
4. Step 4: Simplify right side
   11,026.50x = 72,159,476.05
5. Step 5: Solve for x
   x = 72,159,476.05/11,026.50
6. Step 6: Final answer
   x = 6,544.19