Finding the Fourth Proportional to 52,342.70, 72,229.37 and 28,468.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,342.70 : 72,229.37 = 28,468.86 : x
2. Step 2: Convert to fraction form
   52,342.70/72,229.37 = 28,468.86/x
3. Step 3: Cross multiply
   52,342.70x = 72,229.37 × 28,468.86
4. Step 4: Simplify right side
   52,342.70x = 2,056,287,786.83
5. Step 5: Solve for x
   x = 2,056,287,786.83/52,342.70
6. Step 6: Final answer
   x = 39,285.09