Finding the Fourth Proportional to 1,613,705.82, 2,420,571.69 and 548,989.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613,705.82 : 2,420,571.69 = 548,989.98 : x
2. Step 2: Convert to fraction form
   1,613,705.82/2,420,571.69 = 548,989.98/x
3. Step 3: Cross multiply
   1,613,705.82x = 2,420,571.69 × 548,989.98
4. Step 4: Simplify right side
   1,613,705.82x = 1,328,869,603,681.67
5. Step 5: Solve for x
   x = 1,328,869,603,681.67/1,613,705.82
6. Step 6: Final answer
   x = 823,489.38