Finding the Fourth Proportional to 422,168.40, 582,595.83 and 250,096.15

Step by Step Solution

1. Step 1: Write the proportion equation
   422,168.40 : 582,595.83 = 250,096.15 : x
2. Step 2: Convert to fraction form
   422,168.40/582,595.83 = 250,096.15/x
3. Step 3: Cross multiply
   422,168.40x = 582,595.83 × 250,096.15
4. Step 4: Simplify right side
   422,168.40x = 145,704,974,817.30
5. Step 5: Solve for x
   x = 145,704,974,817.30/422,168.40
6. Step 6: Final answer
   x = 345,134.73