Finding the Fourth Proportional to 1,019,673.50, 1,407,119.69 and 560,787.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,673.50 : 1,407,119.69 = 560,787.59 : x
2. Step 2: Convert to fraction form
   1,019,673.50/1,407,119.69 = 560,787.59/x
3. Step 3: Cross multiply
   1,019,673.50x = 1,407,119.69 × 560,787.59
4. Step 4: Simplify right side
   1,019,673.50x = 789,095,259,796.65
5. Step 5: Solve for x
   x = 789,095,259,796.65/1,019,673.50
6. Step 6: Final answer
   x = 773,870.52