Finding the Fourth Proportional to 52,031.94, 71,803.56 and 28,158.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,031.94 : 71,803.56 = 28,158.09 : x
2. Step 2: Convert to fraction form
   52,031.94/71,803.56 = 28,158.09/x
3. Step 3: Cross multiply
   52,031.94x = 71,803.56 × 28,158.09
4. Step 4: Simplify right side
   52,031.94x = 2,021,851,104.80
5. Step 5: Solve for x
   x = 2,021,851,104.80/52,031.94
6. Step 6: Final answer
   x = 38,857.88