Finding the Fourth Proportional to 52,439.54, 72,367.42 and 28,566.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,439.54 : 72,367.42 = 28,566.24 : x
2. Step 2: Convert to fraction form
   52,439.54/72,367.42 = 28,566.24/x
3. Step 3: Cross multiply
   52,439.54x = 72,367.42 × 28,566.24
4. Step 4: Simplify right side
   52,439.54x = 2,067,265,087.90
5. Step 5: Solve for x
   x = 2,067,265,087.90/52,439.54
6. Step 6: Final answer
   x = 39,421.88