Finding the Fourth Proportional to 73,743, 101,766.06 and 40,209.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,743 : 101,766.06 = 40,209.72 : x
2. Step 2: Convert to fraction form
   73,743/101,766.06 = 40,209.72/x
3. Step 3: Cross multiply
   73,743x = 101,766.06 × 40,209.72
4. Step 4: Simplify right side
   73,743x = 4,091,984,778.10
5. Step 5: Solve for x
   x = 4,091,984,778.10/73,743
6. Step 6: Final answer
   x = 55,489.81