Finding the Fourth Proportional to 142,084.55, 213,161.90 and 42,244.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,084.55 : 213,161.90 = 42,244.31 : x
2. Step 2: Convert to fraction form
   142,084.55/213,161.90 = 42,244.31/x
3. Step 3: Cross multiply
   142,084.55x = 213,161.90 × 42,244.31
4. Step 4: Simplify right side
   142,084.55x = 9,004,877,383.79
5. Step 5: Solve for x
   x = 9,004,877,383.79/142,084.55
6. Step 6: Final answer
   x = 63,376.89