Finding the Fourth Proportional to 71,735.50, 98,994.52 and 39,472.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,735.50 : 98,994.52 = 39,472.09 : x
2. Step 2: Convert to fraction form
   71,735.50/98,994.52 = 39,472.09/x
3. Step 3: Cross multiply
   71,735.50x = 98,994.52 × 39,472.09
4. Step 4: Simplify right side
   71,735.50x = 3,907,520,256.78
5. Step 5: Solve for x
   x = 3,907,520,256.78/71,735.50
6. Step 6: Final answer
   x = 54,471.22