Finding the Fourth Proportional to 979,297.61, 1,469,013.89 and 410,105.61

Step by Step Solution

1. Step 1: Write the proportion equation
   979,297.61 : 1,469,013.89 = 410,105.61 : x
2. Step 2: Convert to fraction form
   979,297.61/1,469,013.89 = 410,105.61/x
3. Step 3: Cross multiply
   979,297.61x = 1,469,013.89 × 410,105.61
4. Step 4: Simplify right side
   979,297.61x = 602,450,842,154.72
5. Step 5: Solve for x
   x = 602,450,842,154.72/979,297.61
6. Step 6: Final answer
   x = 615,186.68