Finding the Fourth Proportional to 72,743.27, 100,374.15 and 40,906.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72,743.27 : 100,374.15 = 40,906.02 : x
2. Step 2: Convert to fraction form
   72,743.27/100,374.15 = 40,906.02/x
3. Step 3: Cross multiply
   72,743.27x = 100,374.15 × 40,906.02
4. Step 4: Simplify right side
   72,743.27x = 4,105,906,987.38
5. Step 5: Solve for x
   x = 4,105,906,987.38/72,743.27
6. Step 6: Final answer
   x = 56,443.81