Finding the Fourth Proportional to 730,930.27, 1,096,470.59 and 275,904.78

Step by Step Solution

1. Step 1: Write the proportion equation
   730,930.27 : 1,096,470.59 = 275,904.78 : x
2. Step 2: Convert to fraction form
   730,930.27/1,096,470.59 = 275,904.78/x
3. Step 3: Cross multiply
   730,930.27x = 1,096,470.59 × 275,904.78
4. Step 4: Simplify right side
   730,930.27x = 302,521,476,910.42
5. Step 5: Solve for x
   x = 302,521,476,910.42/730,930.27
6. Step 6: Final answer
   x = 413,885.55