Finding the Fourth Proportional to 47,342.21, 65,304.71 and 30,340.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,342.21 : 65,304.71 = 30,340.42 : x
2. Step 2: Convert to fraction form
   47,342.21/65,304.71 = 30,340.42/x
3. Step 3: Cross multiply
   47,342.21x = 65,304.71 × 30,340.42
4. Step 4: Simplify right side
   47,342.21x = 1,981,372,014.41
5. Step 5: Solve for x
   x = 1,981,372,014.41/47,342.21
6. Step 6: Final answer
   x = 41,852.12