Finding the Fourth Proportional to 931,601.34, 1,397,401.34 and 300,515.18

Step by Step Solution

1. Step 1: Write the proportion equation
   931,601.34 : 1,397,401.34 = 300,515.18 : x
2. Step 2: Convert to fraction form
   931,601.34/1,397,401.34 = 300,515.18/x
3. Step 3: Cross multiply
   931,601.34x = 1,397,401.34 × 300,515.18
4. Step 4: Simplify right side
   931,601.34x = 419,940,306,732.76
5. Step 5: Solve for x
   x = 419,940,306,732.76/931,601.34
6. Step 6: Final answer
   x = 450,772.54