Finding the Fourth Proportional to 45,304.52, 68,067.54 and 42,786.68

Step by Step Solution

1. Step 1: Write the proportion equation
   45,304.52 : 68,067.54 = 42,786.68 : x
2. Step 2: Convert to fraction form
   45,304.52/68,067.54 = 42,786.68/x
3. Step 3: Cross multiply
   45,304.52x = 68,067.54 × 42,786.68
4. Step 4: Simplify right side
   45,304.52x = 2,912,384,052.37
5. Step 5: Solve for x
   x = 2,912,384,052.37/45,304.52
6. Step 6: Final answer
   x = 64,284.62