Finding the Fourth Proportional to 412,901.50, 569,258.72 and 269,412.42

Step by Step Solution

1. Step 1: Write the proportion equation
   412,901.50 : 569,258.72 = 269,412.42 : x
2. Step 2: Convert to fraction form
   412,901.50/569,258.72 = 269,412.42/x
3. Step 3: Cross multiply
   412,901.50x = 569,258.72 × 269,412.42
4. Step 4: Simplify right side
   412,901.50x = 153,365,369,361.30
5. Step 5: Solve for x
   x = 153,365,369,361.30/412,901.50
6. Step 6: Final answer
   x = 371,433.31