Finding the Fourth Proportional to 52,175.76, 72,002.72 and 28,302.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,175.76 : 72,002.72 = 28,302.48 : x
2. Step 2: Convert to fraction form
   52,175.76/72,002.72 = 28,302.48/x
3. Step 3: Cross multiply
   52,175.76x = 72,002.72 × 28,302.48
4. Step 4: Simplify right side
   52,175.76x = 2,037,855,542.75
5. Step 5: Solve for x
   x = 2,037,855,542.75/52,175.76
6. Step 6: Final answer
   x = 39,057.52