Finding the Fourth Proportional to 12,369.31, 18,552.17 and 3,601.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,369.31 : 18,552.17 = 3,601.87 : x
2. Step 2: Convert to fraction form
   12,369.31/18,552.17 = 3,601.87/x
3. Step 3: Cross multiply
   12,369.31x = 18,552.17 × 3,601.87
4. Step 4: Simplify right side
   12,369.31x = 66,822,486.55
5. Step 5: Solve for x
   x = 66,822,486.55/12,369.31
6. Step 6: Final answer
   x = 5,402.28