Finding the Fourth Proportional to 413,401, 570,458.46 and 250,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   413,401 : 570,458.46 = 250,118.34 : x
2. Step 2: Convert to fraction form
   413,401/570,458.46 = 250,118.34/x
3. Step 3: Cross multiply
   413,401x = 570,458.46 × 250,118.34
4. Step 4: Simplify right side
   413,401x = 142,682,123,054.16
5. Step 5: Solve for x
   x = 142,682,123,054.16/413,401
6. Step 6: Final answer
   x = 345,142.18