Finding the Fourth Proportional to 1,097,306.72, 1,645,793.76 and 298,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,306.72 : 1,645,793.76 = 298,650.50 : x
2. Step 2: Convert to fraction form
   1,097,306.72/1,645,793.76 = 298,650.50/x
3. Step 3: Cross multiply
   1,097,306.72x = 1,645,793.76 × 298,650.50
4. Step 4: Simplify right side
   1,097,306.72x = 491,517,129,320.88
5. Step 5: Solve for x
   x = 491,517,129,320.88/1,097,306.72
6. Step 6: Final answer
   x = 447,930.48