Finding the Fourth Proportional to 72,107.48, 99,510.33 and 39,844.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,107.48 : 99,510.33 = 39,844.18 : x
2. Step 2: Convert to fraction form
   72,107.48/99,510.33 = 39,844.18/x
3. Step 3: Cross multiply
   72,107.48x = 99,510.33 × 39,844.18
4. Step 4: Simplify right side
   72,107.48x = 3,964,907,500.38
5. Step 5: Solve for x
   x = 3,964,907,500.38/72,107.48
6. Step 6: Final answer
   x = 54,986.08