Finding the Fourth Proportional to 902,522, 1,245,494.18 and 494,620.52

Step by Step Solution

1. Step 1: Write the proportion equation
   902,522 : 1,245,494.18 = 494,620.52 : x
2. Step 2: Convert to fraction form
   902,522/1,245,494.18 = 494,620.52/x
3. Step 3: Cross multiply
   902,522x = 1,245,494.18 × 494,620.52
4. Step 4: Simplify right side
   902,522x = 616,046,978,968.57
5. Step 5: Solve for x
   x = 616,046,978,968.57/902,522
6. Step 6: Final answer
   x = 682,583.89