Finding the Fourth Proportional to 1,279,982.75, 1,766,336.06 and 699,196.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,982.75 : 1,766,336.06 = 699,196.55 : x
2. Step 2: Convert to fraction form
   1,279,982.75/1,766,336.06 = 699,196.55/x
3. Step 3: Cross multiply
   1,279,982.75x = 1,766,336.06 × 699,196.55
4. Step 4: Simplify right side
   1,279,982.75x = 1,235,016,066,964.93
5. Step 5: Solve for x
   x = 1,235,016,066,964.93/1,279,982.75
6. Step 6: Final answer
   x = 964,869.31