Finding the Fourth Proportional to 11,407.08, 17,112.24 and 3,616.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,407.08 : 17,112.24 = 3,616.56 : x
2. Step 2: Convert to fraction form
   11,407.08/17,112.24 = 3,616.56/x
3. Step 3: Cross multiply
   11,407.08x = 17,112.24 × 3,616.56
4. Step 4: Simplify right side
   11,407.08x = 61,887,442.69
5. Step 5: Solve for x
   x = 61,887,442.69/11,407.08
6. Step 6: Final answer
   x = 5,425.35