Finding the Fourth Proportional to 72,935.42, 100,650.84 and 39,401.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,935.42 : 100,650.84 = 39,401.42 : x
2. Step 2: Convert to fraction form
   72,935.42/100,650.84 = 39,401.42/x
3. Step 3: Cross multiply
   72,935.42x = 100,650.84 × 39,401.42
4. Step 4: Simplify right side
   72,935.42x = 3,965,786,020.19
5. Step 5: Solve for x
   x = 3,965,786,020.19/72,935.42
6. Step 6: Final answer
   x = 54,373.94