Finding the Fourth Proportional to 52,456.92, 72,392.94 and 30,947.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,456.92 : 72,392.94 = 30,947.48 : x
2. Step 2: Convert to fraction form
   52,456.92/72,392.94 = 30,947.48/x
3. Step 3: Cross multiply
   52,456.92x = 72,392.94 × 30,947.48
4. Step 4: Simplify right side
   52,456.92x = 2,240,379,062.79
5. Step 5: Solve for x
   x = 2,240,379,062.79/52,456.92
6. Step 6: Final answer
   x = 42,708.93