Finding the Fourth Proportional to 72,651.92, 108,904.44 and 28,250.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,651.92 : 108,904.44 = 28,250.96 : x
2. Step 2: Convert to fraction form
   72,651.92/108,904.44 = 28,250.96/x
3. Step 3: Cross multiply
   72,651.92x = 108,904.44 × 28,250.96
4. Step 4: Simplify right side
   72,651.92x = 3,076,654,978.26
5. Step 5: Solve for x
   x = 3,076,654,978.26/72,651.92
6. Step 6: Final answer
   x = 42,347.88