Finding the Fourth Proportional to 978,951.74, 1,468,498.38 and 409,760.38

Step by Step Solution

1. Step 1: Write the proportion equation
   978,951.74 : 1,468,498.38 = 409,760.38 : x
2. Step 2: Convert to fraction form
   978,951.74/1,468,498.38 = 409,760.38/x
3. Step 3: Cross multiply
   978,951.74x = 1,468,498.38 × 409,760.38
4. Step 4: Simplify right side
   978,951.74x = 601,732,452,169.38
5. Step 5: Solve for x
   x = 601,732,452,169.38/978,951.74
6. Step 6: Final answer
   x = 614,670.19