Finding the Fourth Proportional to 12,061.50, 18,097.43 and 6,222.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.50 : 18,097.43 = 6,222.21 : x
2. Step 2: Convert to fraction form
   12,061.50/18,097.43 = 6,222.21/x
3. Step 3: Cross multiply
   12,061.50x = 18,097.43 × 6,222.21
4. Step 4: Simplify right side
   12,061.50x = 112,606,009.92
5. Step 5: Solve for x
   x = 112,606,009.92/12,061.50
6. Step 6: Final answer
   x = 9,335.99