Finding the Fourth Proportional to 52,271.15, 72,134.53 and 28,397.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,271.15 : 72,134.53 = 28,397.82 : x
2. Step 2: Convert to fraction form
   52,271.15/72,134.53 = 28,397.82/x
3. Step 3: Cross multiply
   52,271.15x = 72,134.53 × 28,397.82
4. Step 4: Simplify right side
   52,271.15x = 2,048,463,352.22
5. Step 5: Solve for x
   x = 2,048,463,352.22/52,271.15
6. Step 6: Final answer
   x = 39,189.18