Finding the Fourth Proportional to 40,398.45, 55,697.75 and 33,103.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,398.45 : 55,697.75 = 33,103.42 : x
2. Step 2: Convert to fraction form
   40,398.45/55,697.75 = 33,103.42/x
3. Step 3: Cross multiply
   40,398.45x = 55,697.75 × 33,103.42
4. Step 4: Simplify right side
   40,398.45x = 1,843,786,094.06
5. Step 5: Solve for x
   x = 1,843,786,094.06/40,398.45
6. Step 6: Final answer
   x = 45,640.02