Finding the Fourth Proportional to 1,085,499.41, 1,498,168.50 and 602,220.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,499.41 : 1,498,168.50 = 602,220.25 : x
2. Step 2: Convert to fraction form
   1,085,499.41/1,498,168.50 = 602,220.25/x
3. Step 3: Cross multiply
   1,085,499.41x = 1,498,168.50 × 602,220.25
4. Step 4: Simplify right side
   1,085,499.41x = 902,227,403,361.15
5. Step 5: Solve for x
   x = 902,227,403,361.15/1,085,499.41
6. Step 6: Final answer
   x = 831,163.42