Finding the Fourth Proportional to 664,801.92, 917,498.88 and 410,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   664,801.92 : 917,498.88 = 410,146.56 : x
2. Step 2: Convert to fraction form
   664,801.92/917,498.88 = 410,146.56/x
3. Step 3: Cross multiply
   664,801.92x = 917,498.88 × 410,146.56
4. Step 4: Simplify right side
   664,801.92x = 376,309,009,435.85
5. Step 5: Solve for x
   x = 376,309,009,435.85/664,801.92
6. Step 6: Final answer
   x = 566,046.82