Finding the Fourth Proportional to 49,644.42, 68,510.61 and 28,430.52

Step by Step Solution

1. Step 1: Write the proportion equation
   49,644.42 : 68,510.61 = 28,430.52 : x
2. Step 2: Convert to fraction form
   49,644.42/68,510.61 = 28,430.52/x
3. Step 3: Cross multiply
   49,644.42x = 68,510.61 × 28,430.52
4. Step 4: Simplify right side
   49,644.42x = 1,947,792,267.82
5. Step 5: Solve for x
   x = 1,947,792,267.82/49,644.42
6. Step 6: Final answer
   x = 39,234.87