Finding the Fourth Proportional to 372,783.30, 558,737.55 and 159,550.80

Step by Step Solution

1. Step 1: Write the proportion equation
   372,783.30 : 558,737.55 = 159,550.80 : x
2. Step 2: Convert to fraction form
   372,783.30/558,737.55 = 159,550.80/x
3. Step 3: Cross multiply
   372,783.30x = 558,737.55 × 159,550.80
4. Step 4: Simplify right side
   372,783.30x = 89,147,023,092.54
5. Step 5: Solve for x
   x = 89,147,023,092.54/372,783.30
6. Step 6: Final answer
   x = 239,138.99