Finding the Fourth Proportional to 69,142.73, 95,428.88 and 40,067.02

Step by Step Solution

1. Step 1: Write the proportion equation
   69,142.73 : 95,428.88 = 40,067.02 : x
2. Step 2: Convert to fraction form
   69,142.73/95,428.88 = 40,067.02/x
3. Step 3: Cross multiply
   69,142.73x = 95,428.88 × 40,067.02
4. Step 4: Simplify right side
   69,142.73x = 3,823,550,404.63
5. Step 5: Solve for x
   x = 3,823,550,404.63/69,142.73
6. Step 6: Final answer
   x = 55,299.39