Finding the Fourth Proportional to 1,320,591.50, 1,981,562.82 and 628,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320,591.50 : 1,981,562.82 = 628,941.50 : x
2. Step 2: Convert to fraction form
   1,320,591.50/1,981,562.82 = 628,941.50/x
3. Step 3: Cross multiply
   1,320,591.50x = 1,981,562.82 × 628,941.50
4. Step 4: Simplify right side
   1,320,591.50x = 1,246,287,092,355.03
5. Step 5: Solve for x
   x = 1,246,287,092,355.03/1,320,591.50
6. Step 6: Final answer
   x = 943,734.00