Finding the Fourth Proportional to 142,170.70, 213,184.72 and 47,367.53

Step by Step Solution

1. Step 1: Write the proportion equation
   142,170.70 : 213,184.72 = 47,367.53 : x
2. Step 2: Convert to fraction form
   142,170.70/213,184.72 = 47,367.53/x
3. Step 3: Cross multiply
   142,170.70x = 213,184.72 × 47,367.53
4. Step 4: Simplify right side
   142,170.70x = 10,098,033,383.30
5. Step 5: Solve for x
   x = 10,098,033,383.30/142,170.70
6. Step 6: Final answer
   x = 71,027.53