Finding the Fourth Proportional to 52,144.80, 71,959.68 and 28,271.40

Step by Step Solution

1. Step 1: Write the proportion equation
   52,144.80 : 71,959.68 = 28,271.40 : x
2. Step 2: Convert to fraction form
   52,144.80/71,959.68 = 28,271.40/x
3. Step 3: Cross multiply
   52,144.80x = 71,959.68 × 28,271.40
4. Step 4: Simplify right side
   52,144.80x = 2,034,400,897.15
5. Step 5: Solve for x
   x = 2,034,400,897.15/52,144.80
6. Step 6: Final answer
   x = 39,014.45