Finding the Fourth Proportional to 52,287.56, 72,155.91 and 28,414.33

Step by Step Solution

1. Step 1: Write the proportion equation
   52,287.56 : 72,155.91 = 28,414.33 : x
2. Step 2: Convert to fraction form
   52,287.56/72,155.91 = 28,414.33/x
3. Step 3: Cross multiply
   52,287.56x = 72,155.91 × 28,414.33
4. Step 4: Simplify right side
   52,287.56x = 2,050,261,764.35
5. Step 5: Solve for x
   x = 2,050,261,764.35/52,287.56
6. Step 6: Final answer
   x = 39,211.27