Finding the Fourth Proportional to 1,479,870, 2,042,222.42 and 800,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,870 : 2,042,222.42 = 800,806.50 : x
2. Step 2: Convert to fraction form
   1,479,870/2,042,222.42 = 800,806.50/x
3. Step 3: Cross multiply
   1,479,870x = 2,042,222.42 × 800,806.50
4. Step 4: Simplify right side
   1,479,870x = 1,635,424,990,383.75
5. Step 5: Solve for x
   x = 1,635,424,990,383.75/1,479,870
6. Step 6: Final answer
   x = 1,105,113.96