Finding the Fourth Proportional to 52,193, 72,024.24 and 28,318.76

Step by Step Solution

1. Step 1: Write the proportion equation
   52,193 : 72,024.24 = 28,318.76 : x
2. Step 2: Convert to fraction form
   52,193/72,024.24 = 28,318.76/x
3. Step 3: Cross multiply
   52,193x = 72,024.24 × 28,318.76
4. Step 4: Simplify right side
   52,193x = 2,039,637,166.74
5. Step 5: Solve for x
   x = 2,039,637,166.74/52,193
6. Step 6: Final answer
   x = 39,078.75