Finding the Fourth Proportional to 19,399.50, 26,771.31 and 10,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,399.50 : 26,771.31 = 10,567.50 : x
2. Step 2: Convert to fraction form
   19,399.50/26,771.31 = 10,567.50/x
3. Step 3: Cross multiply
   19,399.50x = 26,771.31 × 10,567.50
4. Step 4: Simplify right side
   19,399.50x = 282,905,818.43
5. Step 5: Solve for x
   x = 282,905,818.43/19,399.50
6. Step 6: Final answer
   x = 14,583.15