Finding the Fourth Proportional to 72,239, 99,694.24 and 40,410.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,239 : 99,694.24 = 40,410.04 : x
2. Step 2: Convert to fraction form
   72,239/99,694.24 = 40,410.04/x
3. Step 3: Cross multiply
   72,239x = 99,694.24 × 40,410.04
4. Step 4: Simplify right side
   72,239x = 4,028,648,226.17
5. Step 5: Solve for x
   x = 4,028,648,226.17/72,239
6. Step 6: Final answer
   x = 55,768.33