Finding the Fourth Proportional to 11,013.63, 16,516.96 and 3,616.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.63 : 16,516.96 = 3,616.35 : x
2. Step 2: Convert to fraction form
   11,013.63/16,516.96 = 3,616.35/x
3. Step 3: Cross multiply
   11,013.63x = 16,516.96 × 3,616.35
4. Step 4: Simplify right side
   11,013.63x = 59,731,108.30
5. Step 5: Solve for x
   x = 59,731,108.30/11,013.63
6. Step 6: Final answer
   x = 5,423.38