Finding the Fourth Proportional to 1,778.69, 2,454.17 and 1,032.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778.69 : 2,454.17 = 1,032.21 : x
2. Step 2: Convert to fraction form
   1,778.69/2,454.17 = 1,032.21/x
3. Step 3: Cross multiply
   1,778.69x = 2,454.17 × 1,032.21
4. Step 4: Simplify right side
   1,778.69x = 2,533,213.65
5. Step 5: Solve for x
   x = 2,533,213.65/1,778.69
6. Step 6: Final answer
   x = 1,424.21