Finding the Fourth Proportional to 45,936.72, 69,174.89 and 40,083.42

Step by Step Solution

1. Step 1: Write the proportion equation
   45,936.72 : 69,174.89 = 40,083.42 : x
2. Step 2: Convert to fraction form
   45,936.72/69,174.89 = 40,083.42/x
3. Step 3: Cross multiply
   45,936.72x = 69,174.89 × 40,083.42
4. Step 4: Simplify right side
   45,936.72x = 2,772,765,974.06
5. Step 5: Solve for x
   x = 2,772,765,974.06/45,936.72
6. Step 6: Final answer
   x = 60,360.56