Finding the Fourth Proportional to 22,237.57, 30,687.59 and 12,165.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,237.57 : 30,687.59 = 12,165.89 : x
2. Step 2: Convert to fraction form
   22,237.57/30,687.59 = 12,165.89/x
3. Step 3: Cross multiply
   22,237.57x = 30,687.59 × 12,165.89
4. Step 4: Simplify right side
   22,237.57x = 373,341,844.31
5. Step 5: Solve for x
   x = 373,341,844.31/22,237.57
6. Step 6: Final answer
   x = 16,788.79