Finding the Fourth Proportional to 52,080.89, 71,871.59 and 28,207.55

Step by Step Solution

1. Step 1: Write the proportion equation
   52,080.89 : 71,871.59 = 28,207.55 : x
2. Step 2: Convert to fraction form
   52,080.89/71,871.59 = 28,207.55/x
3. Step 3: Cross multiply
   52,080.89x = 71,871.59 × 28,207.55
4. Step 4: Simplify right side
   52,080.89x = 2,027,321,718.70
5. Step 5: Solve for x
   x = 2,027,321,718.70/52,080.89
6. Step 6: Final answer
   x = 38,926.41