Finding the Fourth Proportional to 37,724.18, 52,059.16 and 20,496.40

Step by Step Solution

1. Step 1: Write the proportion equation
   37,724.18 : 52,059.16 = 20,496.40 : x
2. Step 2: Convert to fraction form
   37,724.18/52,059.16 = 20,496.40/x
3. Step 3: Cross multiply
   37,724.18x = 52,059.16 × 20,496.40
4. Step 4: Simplify right side
   37,724.18x = 1,067,025,367.02
5. Step 5: Solve for x
   x = 1,067,025,367.02/37,724.18
6. Step 6: Final answer
   x = 28,284.92