Finding the Fourth Proportional to 404,773.92, 558,947.52 and 252,074.32

Step by Step Solution

1. Step 1: Write the proportion equation
   404,773.92 : 558,947.52 = 252,074.32 : x
2. Step 2: Convert to fraction form
   404,773.92/558,947.52 = 252,074.32/x
3. Step 3: Cross multiply
   404,773.92x = 558,947.52 × 252,074.32
4. Step 4: Simplify right side
   404,773.92x = 140,896,316,019.69
5. Step 5: Solve for x
   x = 140,896,316,019.69/404,773.92
6. Step 6: Final answer
   x = 348,086.45