Finding the Fourth Proportional to 1,097,707.10, 1,647,597.45 and 677,803.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,707.10 : 1,647,597.45 = 677,803.10 : x
2. Step 2: Convert to fraction form
   1,097,707.10/1,647,597.45 = 677,803.10/x
3. Step 3: Cross multiply
   1,097,707.10x = 1,647,597.45 × 677,803.10
4. Step 4: Simplify right side
   1,097,707.10x = 1,116,746,659,162.10
5. Step 5: Solve for x
   x = 1,116,746,659,162.10/1,097,707.10
6. Step 6: Final answer
   x = 1,017,344.84