Finding the Fourth Proportional to 12,753.32, 19,015.43 and 12,266.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,753.32 : 19,015.43 = 12,266.10 : x
2. Step 2: Convert to fraction form
   12,753.32/19,015.43 = 12,266.10/x
3. Step 3: Cross multiply
   12,753.32x = 19,015.43 × 12,266.10
4. Step 4: Simplify right side
   12,753.32x = 233,245,104.59
5. Step 5: Solve for x
   x = 233,245,104.59/12,753.32
6. Step 6: Final answer
   x = 18,288.98