Finding the Fourth Proportional to 52,131.39, 71,942.43 and 29,469.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,131.39 : 71,942.43 = 29,469.03 : x
2. Step 2: Convert to fraction form
   52,131.39/71,942.43 = 29,469.03/x
3. Step 3: Cross multiply
   52,131.39x = 71,942.43 × 29,469.03
4. Step 4: Simplify right side
   52,131.39x = 2,120,073,627.94
5. Step 5: Solve for x
   x = 2,120,073,627.94/52,131.39
6. Step 6: Final answer
   x = 40,667.89