Finding the Fourth Proportional to 11,513.98, 17,270.45 and 3,616.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,513.98 : 17,270.45 = 3,616.31 : x
2. Step 2: Convert to fraction form
   11,513.98/17,270.45 = 3,616.31/x
3. Step 3: Cross multiply
   11,513.98x = 17,270.45 × 3,616.31
4. Step 4: Simplify right side
   11,513.98x = 62,455,301.04
5. Step 5: Solve for x
   x = 62,455,301.04/11,513.98
6. Step 6: Final answer
   x = 5,424.30