Finding the Fourth Proportional to 1,779.81, 2,452.82 and 1,281.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.81 : 2,452.82 = 1,281.59 : x
2. Step 2: Convert to fraction form
   1,779.81/2,452.82 = 1,281.59/x
3. Step 3: Cross multiply
   1,779.81x = 2,452.82 × 1,281.59
4. Step 4: Simplify right side
   1,779.81x = 3,143,490.91
5. Step 5: Solve for x
   x = 3,143,490.91/1,779.81
6. Step 6: Final answer
   x = 1,766.19