Finding the Fourth Proportional to 2,669,085.40, 4,003,239.30 and 775,629.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669,085.40 : 4,003,239.30 = 775,629.40 : x
2. Step 2: Convert to fraction form
   2,669,085.40/4,003,239.30 = 775,629.40/x
3. Step 3: Cross multiply
   2,669,085.40x = 4,003,239.30 × 775,629.40
4. Step 4: Simplify right side
   2,669,085.40x = 3,105,030,096,315.42
5. Step 5: Solve for x
   x = 3,105,030,096,315.42/2,669,085.40
6. Step 6: Final answer
   x = 1,163,331.12