Finding the Fourth Proportional to 522,259, 720,721.98 and 283,795

Step by Step Solution

1. Step 1: Write the proportion equation
   522,259 : 720,721.98 = 283,795 : x
2. Step 2: Convert to fraction form
   522,259/720,721.98 = 283,795/x
3. Step 3: Cross multiply
   522,259x = 720,721.98 × 283,795
4. Step 4: Simplify right side
   522,259x = 204,537,294,314.10
5. Step 5: Solve for x
   x = 204,537,294,314.10/522,259
6. Step 6: Final answer
   x = 391,639.58