Finding the Fourth Proportional to 40,367.27, 60,560.63 and 12,665.27

Step by Step Solution

1. Step 1: Write the proportion equation
   40,367.27 : 60,560.63 = 12,665.27 : x
2. Step 2: Convert to fraction form
   40,367.27/60,560.63 = 12,665.27/x
3. Step 3: Cross multiply
   40,367.27x = 60,560.63 × 12,665.27
4. Step 4: Simplify right side
   40,367.27x = 767,016,730.32
5. Step 5: Solve for x
   x = 767,016,730.32/40,367.27
6. Step 6: Final answer
   x = 19,000.96