Finding the Fourth Proportional to 1,166,116.40, 1,608,690.72 and 682,384.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166,116.40 : 1,608,690.72 = 682,384.80 : x
2. Step 2: Convert to fraction form
   1,166,116.40/1,608,690.72 = 682,384.80/x
3. Step 3: Cross multiply
   1,166,116.40x = 1,608,690.72 × 682,384.80
4. Step 4: Simplify right side
   1,166,116.40x = 1,097,746,095,229.06
5. Step 5: Solve for x
   x = 1,097,746,095,229.06/1,166,116.40
6. Step 6: Final answer
   x = 941,369.23