Finding the Fourth Proportional to 37,426.50, 51,648.57 and 20,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,426.50 : 51,648.57 = 20,659.50 : x
2. Step 2: Convert to fraction form
   37,426.50/51,648.57 = 20,659.50/x
3. Step 3: Cross multiply
   37,426.50x = 51,648.57 × 20,659.50
4. Step 4: Simplify right side
   37,426.50x = 1,067,033,631.92
5. Step 5: Solve for x
   x = 1,067,033,631.92/37,426.50
6. Step 6: Final answer
   x = 28,510.11