Finding the Fourth Proportional to 52,042.05, 71,818.17 and 28,168.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,042.05 : 71,818.17 = 28,168.80 : x
2. Step 2: Convert to fraction form
   52,042.05/71,818.17 = 28,168.80/x
3. Step 3: Cross multiply
   52,042.05x = 71,818.17 × 28,168.80
4. Step 4: Simplify right side
   52,042.05x = 2,023,031,667.10
5. Step 5: Solve for x
   x = 2,023,031,667.10/52,042.05
6. Step 6: Final answer
   x = 38,873.02