Finding the Fourth Proportional to 12,201.82, 18,302.27 and 3,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,201.82 : 18,302.27 = 3,436.50 : x
2. Step 2: Convert to fraction form
   12,201.82/18,302.27 = 3,436.50/x
3. Step 3: Cross multiply
   12,201.82x = 18,302.27 × 3,436.50
4. Step 4: Simplify right side
   12,201.82x = 62,895,750.86
5. Step 5: Solve for x
   x = 62,895,750.86/12,201.82
6. Step 6: Final answer
   x = 5,154.62