Finding the Fourth Proportional to 12,162.52, 18,237.71 and 5,583.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.52 : 18,237.71 = 5,583.09 : x
2. Step 2: Convert to fraction form
   12,162.52/18,237.71 = 5,583.09/x
3. Step 3: Cross multiply
   12,162.52x = 18,237.71 × 5,583.09
4. Step 4: Simplify right side
   12,162.52x = 101,822,827.27
5. Step 5: Solve for x
   x = 101,822,827.27/12,162.52
6. Step 6: Final answer
   x = 8,371.85