Finding the Fourth Proportional to 52,004.42, 71,766.15 and 28,131.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,004.42 : 71,766.15 = 28,131.02 : x
2. Step 2: Convert to fraction form
   52,004.42/71,766.15 = 28,131.02/x
3. Step 3: Cross multiply
   52,004.42x = 71,766.15 × 28,131.02
4. Step 4: Simplify right side
   52,004.42x = 2,018,855,000.97
5. Step 5: Solve for x
   x = 2,018,855,000.97/52,004.42
6. Step 6: Final answer
   x = 38,820.83