Finding the Fourth Proportional to 142,074.40, 213,146.83 and 42,234.41

Step by Step Solution

1. Step 1: Write the proportion equation
   142,074.40 : 213,146.83 = 42,234.41 : x
2. Step 2: Convert to fraction form
   142,074.40/213,146.83 = 42,234.41/x
3. Step 3: Cross multiply
   142,074.40x = 213,146.83 × 42,234.41
4. Step 4: Simplify right side
   142,074.40x = 9,002,130,608.42
5. Step 5: Solve for x
   x = 9,002,130,608.42/142,074.40
6. Step 6: Final answer
   x = 63,362.09