Finding the Fourth Proportional to 11,013.79, 16,522.42 and 3,616.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.79 : 16,522.42 = 3,616.57 : x
2. Step 2: Convert to fraction form
   11,013.79/16,522.42 = 3,616.57/x
3. Step 3: Cross multiply
   11,013.79x = 16,522.42 × 3,616.57
4. Step 4: Simplify right side
   11,013.79x = 59,754,488.50
5. Step 5: Solve for x
   x = 59,754,488.50/11,013.79
6. Step 6: Final answer
   x = 5,425.42