Finding the Fourth Proportional to 142,227.42, 213,341.04 and 42,385.05

Step by Step Solution

1. Step 1: Write the proportion equation
   142,227.42 : 213,341.04 = 42,385.05 : x
2. Step 2: Convert to fraction form
   142,227.42/213,341.04 = 42,385.05/x
3. Step 3: Cross multiply
   142,227.42x = 213,341.04 × 42,385.05
4. Step 4: Simplify right side
   142,227.42x = 9,042,470,647.45
5. Step 5: Solve for x
   x = 9,042,470,647.45/142,227.42
6. Step 6: Final answer
   x = 63,577.55