Finding the Fourth Proportional to 823,007.40, 1,233,846.72 and 756,577.20

Step by Step Solution

1. Step 1: Write the proportion equation
   823,007.40 : 1,233,846.72 = 756,577.20 : x
2. Step 2: Convert to fraction form
   823,007.40/1,233,846.72 = 756,577.20/x
3. Step 3: Cross multiply
   823,007.40x = 1,233,846.72 × 756,577.20
4. Step 4: Simplify right side
   823,007.40x = 933,500,296,646.78
5. Step 5: Solve for x
   x = 933,500,296,646.78/823,007.40
6. Step 6: Final answer
   x = 1,134,255.05