Finding the Fourth Proportional to 469,933.92, 705,600.72 and 189,997.92

Step by Step Solution

1. Step 1: Write the proportion equation
   469,933.92 : 705,600.72 = 189,997.92 : x
2. Step 2: Convert to fraction form
   469,933.92/705,600.72 = 189,997.92/x
3. Step 3: Cross multiply
   469,933.92x = 705,600.72 × 189,997.92
4. Step 4: Simplify right side
   469,933.92x = 134,062,669,150.50
5. Step 5: Solve for x
   x = 134,062,669,150.50/469,933.92
6. Step 6: Final answer
   x = 285,279.83