Finding the Fourth Proportional to 142,072.25, 213,084.61 and 52,096.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,072.25 : 213,084.61 = 52,096.37 : x
2. Step 2: Convert to fraction form
   142,072.25/213,084.61 = 52,096.37/x
3. Step 3: Cross multiply
   142,072.25x = 213,084.61 × 52,096.37
4. Step 4: Simplify right side
   142,072.25x = 11,100,933,488.20
5. Step 5: Solve for x
   x = 11,100,933,488.20/142,072.25
6. Step 6: Final answer
   x = 78,135.83