Finding the Fourth Proportional to 142,362.02, 213,580.20 and 42,522.23

Step by Step Solution

1. Step 1: Write the proportion equation
   142,362.02 : 213,580.20 = 42,522.23 : x
2. Step 2: Convert to fraction form
   142,362.02/213,580.20 = 42,522.23/x
3. Step 3: Cross multiply
   142,362.02x = 213,580.20 × 42,522.23
4. Step 4: Simplify right side
   142,362.02x = 9,081,906,387.85
5. Step 5: Solve for x
   x = 9,081,906,387.85/142,362.02
6. Step 6: Final answer
   x = 63,794.45