Finding the Fourth Proportional to 142,225.92, 213,338.79 and 42,383.55

Step by Step Solution

1. Step 1: Write the proportion equation
   142,225.92 : 213,338.79 = 42,383.55 : x
2. Step 2: Convert to fraction form
   142,225.92/213,338.79 = 42,383.55/x
3. Step 3: Cross multiply
   142,225.92x = 213,338.79 × 42,383.55
4. Step 4: Simplify right side
   142,225.92x = 9,042,055,272.90
5. Step 5: Solve for x
   x = 9,042,055,272.90/142,225.92
6. Step 6: Final answer
   x = 63,575.30