Finding the Fourth Proportional to 19,022.56, 26,250.42 and 10,638.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,022.56 : 26,250.42 = 10,638.52 : x
2. Step 2: Convert to fraction form
   19,022.56/26,250.42 = 10,638.52/x
3. Step 3: Cross multiply
   19,022.56x = 26,250.42 × 10,638.52
4. Step 4: Simplify right side
   19,022.56x = 279,265,618.18
5. Step 5: Solve for x
   x = 279,265,618.18/19,022.56
6. Step 6: Final answer
   x = 14,680.76