Finding the Fourth Proportional to 11,408.55, 17,112.63 and 3,617.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,408.55 : 17,112.63 = 3,617.37 : x
2. Step 2: Convert to fraction form
   11,408.55/17,112.63 = 3,617.37/x
3. Step 3: Cross multiply
   11,408.55x = 17,112.63 × 3,617.37
4. Step 4: Simplify right side
   11,408.55x = 61,902,714.38
5. Step 5: Solve for x
   x = 61,902,714.38/11,408.55
6. Step 6: Final answer
   x = 5,425.99