Finding the Fourth Proportional to 12,019.55, 18,026.27 and 3,584.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019.55 : 18,026.27 = 3,584.11 : x
2. Step 2: Convert to fraction form
   12,019.55/18,026.27 = 3,584.11/x
3. Step 3: Cross multiply
   12,019.55x = 18,026.27 × 3,584.11
4. Step 4: Simplify right side
   12,019.55x = 64,608,044.44
5. Step 5: Solve for x
   x = 64,608,044.44/12,019.55
6. Step 6: Final answer
   x = 5,375.25