Finding the Fourth Proportional to 11,013.72, 16,520.24 and 2,693.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.72 : 16,520.24 = 2,693.76 : x
2. Step 2: Convert to fraction form
   11,013.72/16,520.24 = 2,693.76/x
3. Step 3: Cross multiply
   11,013.72x = 16,520.24 × 2,693.76
4. Step 4: Simplify right side
   11,013.72x = 44,501,561.70
5. Step 5: Solve for x
   x = 44,501,561.70/11,013.72
6. Step 6: Final answer
   x = 4,040.56