Finding the Fourth Proportional to 726,150.61, 1,002,124.88 and 403,867

Step by Step Solution

1. Step 1: Write the proportion equation
   726,150.61 : 1,002,124.88 = 403,867 : x
2. Step 2: Convert to fraction form
   726,150.61/1,002,124.88 = 403,867/x
3. Step 3: Cross multiply
   726,150.61x = 1,002,124.88 × 403,867
4. Step 4: Simplify right side
   726,150.61x = 404,725,168,910.96
5. Step 5: Solve for x
   x = 404,725,168,910.96/726,150.61
6. Step 6: Final answer
   x = 557,357.06