Finding the Fourth Proportional to 14,769.02, 22,131.64 and 12,155.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,769.02 : 22,131.64 = 12,155.10 : x
2. Step 2: Convert to fraction form
   14,769.02/22,131.64 = 12,155.10/x
3. Step 3: Cross multiply
   14,769.02x = 22,131.64 × 12,155.10
4. Step 4: Simplify right side
   14,769.02x = 269,012,229.56
5. Step 5: Solve for x
   x = 269,012,229.56/14,769.02
6. Step 6: Final answer
   x = 18,214.63