Finding the Fourth Proportional to 1,424,205.91, 1,965,404.01 and 779,626.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,205.91 : 1,965,404.01 = 779,626.54 : x
2. Step 2: Convert to fraction form
   1,424,205.91/1,965,404.01 = 779,626.54/x
3. Step 3: Cross multiply
   1,424,205.91x = 1,965,404.01 × 779,626.54
4. Step 4: Simplify right side
   1,424,205.91x = 1,532,281,128,018.43
5. Step 5: Solve for x
   x = 1,532,281,128,018.43/1,424,205.91
6. Step 6: Final answer
   x = 1,075,884.55