Finding the Fourth Proportional to 22,018.65, 32,971.59 and 12,146.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,018.65 : 32,971.59 = 12,146.96 : x
2. Step 2: Convert to fraction form
   22,018.65/32,971.59 = 12,146.96/x
3. Step 3: Cross multiply
   22,018.65x = 32,971.59 × 12,146.96
4. Step 4: Simplify right side
   22,018.65x = 400,504,420.01
5. Step 5: Solve for x
   x = 400,504,420.01/22,018.65
6. Step 6: Final answer
   x = 18,189.33