Finding the Fourth Proportional to 52,743.53, 72,786.15 and 28,871.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,743.53 : 72,786.15 = 28,871.72 : x
2. Step 2: Convert to fraction form
   52,743.53/72,786.15 = 28,871.72/x
3. Step 3: Cross multiply
   52,743.53x = 72,786.15 × 28,871.72
4. Step 4: Simplify right side
   52,743.53x = 2,101,460,978.75
5. Step 5: Solve for x
   x = 2,101,460,978.75/52,743.53
6. Step 6: Final answer
   x = 39,843.01