Finding the Fourth Proportional to 52,144.89, 71,959.64 and 28,271.49

Step by Step Solution

1. Step 1: Write the proportion equation
   52,144.89 : 71,959.64 = 28,271.49 : x
2. Step 2: Convert to fraction form
   52,144.89/71,959.64 = 28,271.49/x
3. Step 3: Cross multiply
   52,144.89x = 71,959.64 × 28,271.49
4. Step 4: Simplify right side
   52,144.89x = 2,034,406,101.31
5. Step 5: Solve for x
   x = 2,034,406,101.31/52,144.89
6. Step 6: Final answer
   x = 39,014.49