Finding the Fourth Proportional to 52,285.12, 72,153.92 and 28,411.79

Step by Step Solution

1. Step 1: Write the proportion equation
   52,285.12 : 72,153.92 = 28,411.79 : x
2. Step 2: Convert to fraction form
   52,285.12/72,153.92 = 28,411.79/x
3. Step 3: Cross multiply
   52,285.12x = 72,153.92 × 28,411.79
4. Step 4: Simplify right side
   52,285.12x = 2,050,022,022.72
5. Step 5: Solve for x
   x = 2,050,022,022.72/52,285.12
6. Step 6: Final answer
   x = 39,208.52