Finding the Fourth Proportional to 73,401.20, 101,294.17 and 39,867.20

Step by Step Solution

1. Step 1: Write the proportion equation
   73,401.20 : 101,294.17 = 39,867.20 : x
2. Step 2: Convert to fraction form
   73,401.20/101,294.17 = 39,867.20/x
3. Step 3: Cross multiply
   73,401.20x = 101,294.17 × 39,867.20
4. Step 4: Simplify right side
   73,401.20x = 4,038,314,734.89
5. Step 5: Solve for x
   x = 4,038,314,734.89/73,401.20
6. Step 6: Final answer
   x = 55,017.01