Finding the Fourth Proportional to 11,443.78, 17,168.56 and 3,652.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.78 : 17,168.56 = 3,652.59 : x
2. Step 2: Convert to fraction form
   11,443.78/17,168.56 = 3,652.59/x
3. Step 3: Cross multiply
   11,443.78x = 17,168.56 × 3,652.59
4. Step 4: Simplify right side
   11,443.78x = 62,709,765.82
5. Step 5: Solve for x
   x = 62,709,765.82/11,443.78
6. Step 6: Final answer
   x = 5,479.81