Finding the Fourth Proportional to 52,520.58, 72,480.24 and 28,648.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,520.58 : 72,480.24 = 28,648.62 : x
2. Step 2: Convert to fraction form
   52,520.58/72,480.24 = 28,648.62/x
3. Step 3: Cross multiply
   52,520.58x = 72,480.24 × 28,648.62
4. Step 4: Simplify right side
   52,520.58x = 2,076,458,853.27
5. Step 5: Solve for x
   x = 2,076,458,853.27/52,520.58
6. Step 6: Final answer
   x = 39,536.10