Finding the Fourth Proportional to 1,410,855.57, 1,946,994.98 and 766,288.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410,855.57 : 1,946,994.98 = 766,288.35 : x
2. Step 2: Convert to fraction form
   1,410,855.57/1,946,994.98 = 766,288.35/x
3. Step 3: Cross multiply
   1,410,855.57x = 1,946,994.98 × 766,288.35
4. Step 4: Simplify right side
   1,410,855.57x = 1,491,959,566,851.04
5. Step 5: Solve for x
   x = 1,491,959,566,851.04/1,410,855.57
6. Step 6: Final answer
   x = 1,057,485.68