Finding the Fourth Proportional to 72,535.41, 108,752.07 and 28,124.73

Step by Step Solution

1. Step 1: Write the proportion equation
   72,535.41 : 108,752.07 = 28,124.73 : x
2. Step 2: Convert to fraction form
   72,535.41/108,752.07 = 28,124.73/x
3. Step 3: Cross multiply
   72,535.41x = 108,752.07 × 28,124.73
4. Step 4: Simplify right side
   72,535.41x = 3,058,622,605.69
5. Step 5: Solve for x
   x = 3,058,622,605.69/72,535.41
6. Step 6: Final answer
   x = 42,167.30