Finding the Fourth Proportional to 72,942.04, 109,369.30 and 33,449.68

Step by Step Solution

1. Step 1: Write the proportion equation
   72,942.04 : 109,369.30 = 33,449.68 : x
2. Step 2: Convert to fraction form
   72,942.04/109,369.30 = 33,449.68/x
3. Step 3: Cross multiply
   72,942.04x = 109,369.30 × 33,449.68
4. Step 4: Simplify right side
   72,942.04x = 3,658,368,086.82
5. Step 5: Solve for x
   x = 3,658,368,086.82/72,942.04
6. Step 6: Final answer
   x = 50,154.45