Finding the Fourth Proportional to 37,231.50, 51,379.47 and 20,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,231.50 : 51,379.47 = 20,464.50 : x
2. Step 2: Convert to fraction form
   37,231.50/51,379.47 = 20,464.50/x
3. Step 3: Cross multiply
   37,231.50x = 51,379.47 × 20,464.50
4. Step 4: Simplify right side
   37,231.50x = 1,051,455,163.82
5. Step 5: Solve for x
   x = 1,051,455,163.82/37,231.50
6. Step 6: Final answer
   x = 28,241.01