Finding the Fourth Proportional to 30,660.48, 42,311.42 and 17,922.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,660.48 : 42,311.42 = 17,922.42 : x
2. Step 2: Convert to fraction form
   30,660.48/42,311.42 = 17,922.42/x
3. Step 3: Cross multiply
   30,660.48x = 42,311.42 × 17,922.42
4. Step 4: Simplify right side
   30,660.48x = 758,323,040.04
5. Step 5: Solve for x
   x = 758,323,040.04/30,660.48
6. Step 6: Final answer
   x = 24,732.91