Finding the Fourth Proportional to 1,786,499.24, 2,678,242.56 and 774,859.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786,499.24 : 2,678,242.56 = 774,859.64 : x
2. Step 2: Convert to fraction form
   1,786,499.24/2,678,242.56 = 774,859.64/x
3. Step 3: Cross multiply
   1,786,499.24x = 2,678,242.56 × 774,859.64
4. Step 4: Simplify right side
   1,786,499.24x = 2,075,262,065,874.28
5. Step 5: Solve for x
   x = 2,075,262,065,874.28/1,786,499.24
6. Step 6: Final answer
   x = 1,161,636.13