Finding the Fourth Proportional to 37,238, 51,388.52 and 20,471.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,238 : 51,388.52 = 20,471.12 : x
2. Step 2: Convert to fraction form
   37,238/51,388.52 = 20,471.12/x
3. Step 3: Cross multiply
   37,238x = 51,388.52 × 20,471.12
4. Step 4: Simplify right side
   37,238x = 1,051,980,559.54
5. Step 5: Solve for x
   x = 1,051,980,559.54/37,238
6. Step 6: Final answer
   x = 28,250.19