Finding the Fourth Proportional to 1,164,846.83, 1,746,685.56 and 678,686.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,846.83 : 1,746,685.56 = 678,686.34 : x
2. Step 2: Convert to fraction form
   1,164,846.83/1,746,685.56 = 678,686.34/x
3. Step 3: Cross multiply
   1,164,846.83x = 1,746,685.56 × 678,686.34
4. Step 4: Simplify right side
   1,164,846.83x = 1,185,451,629,847.25
5. Step 5: Solve for x
   x = 1,185,451,629,847.25/1,164,846.83
6. Step 6: Final answer
   x = 1,017,688.85