Finding the Fourth Proportional to 1,222,273.87, 1,834,617.98 and 917,608.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,273.87 : 1,834,617.98 = 917,608.82 : x
2. Step 2: Convert to fraction form
   1,222,273.87/1,834,617.98 = 917,608.82/x
3. Step 3: Cross multiply
   1,222,273.87x = 1,834,617.98 × 917,608.82
4. Step 4: Simplify right side
   1,222,273.87x = 1,683,461,636,338.30
5. Step 5: Solve for x
   x = 1,683,461,636,338.30/1,222,273.87
6. Step 6: Final answer
   x = 1,377,319.50