Finding the Fourth Proportional to 37,238.50, 51,389.22 and 20,472.58

Step by Step Solution

1. Step 1: Write the proportion equation
   37,238.50 : 51,389.22 = 20,472.58 : x
2. Step 2: Convert to fraction form
   37,238.50/51,389.22 = 20,472.58/x
3. Step 3: Cross multiply
   37,238.50x = 51,389.22 × 20,472.58
4. Step 4: Simplify right side
   37,238.50x = 1,052,069,917.59
5. Step 5: Solve for x
   x = 1,052,069,917.59/37,238.50
6. Step 6: Final answer
   x = 28,252.21