Finding the Fourth Proportional to 11,404.82, 17,107.11 and 3,613.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,404.82 : 17,107.11 = 3,613.63 : x
2. Step 2: Convert to fraction form
   11,404.82/17,107.11 = 3,613.63/x
3. Step 3: Cross multiply
   11,404.82x = 17,107.11 × 3,613.63
4. Step 4: Simplify right side
   11,404.82x = 61,818,765.91
5. Step 5: Solve for x
   x = 61,818,765.91/11,404.82
6. Step 6: Final answer
   x = 5,420.41