Finding the Fourth Proportional to 40,399.52, 60,601.68 and 12,697.52

Step by Step Solution

1. Step 1: Write the proportion equation
   40,399.52 : 60,601.68 = 12,697.52 : x
2. Step 2: Convert to fraction form
   40,399.52/60,601.68 = 12,697.52/x
3. Step 3: Cross multiply
   40,399.52x = 60,601.68 × 12,697.52
4. Step 4: Simplify right side
   40,399.52x = 769,491,043.83
5. Step 5: Solve for x
   x = 769,491,043.83/40,399.52
6. Step 6: Final answer
   x = 19,047.03