Finding the Fourth Proportional to 72,630.27, 108,923.54 and 28,246.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,630.27 : 108,923.54 = 28,246.47 : x
2. Step 2: Convert to fraction form
   72,630.27/108,923.54 = 28,246.47/x
3. Step 3: Cross multiply
   72,630.27x = 108,923.54 × 28,246.47
4. Step 4: Simplify right side
   72,630.27x = 3,076,705,567.90
5. Step 5: Solve for x
   x = 3,076,705,567.90/72,630.27
6. Step 6: Final answer
   x = 42,361.20