Finding the Fourth Proportional to 1,019,556.27, 1,407,023.73 and 560,705.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,556.27 : 1,407,023.73 = 560,705.85 : x
2. Step 2: Convert to fraction form
   1,019,556.27/1,407,023.73 = 560,705.85/x
3. Step 3: Cross multiply
   1,019,556.27x = 1,407,023.73 × 560,705.85
4. Step 4: Simplify right side
   1,019,556.27x = 788,926,436,499.82
5. Step 5: Solve for x
   x = 788,926,436,499.82/1,019,556.27
6. Step 6: Final answer
   x = 773,793.91