Finding the Fourth Proportional to 1,779.68, 2,456.06 and 1,150.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.68 : 2,456.06 = 1,150.31 : x
2. Step 2: Convert to fraction form
   1,779.68/2,456.06 = 1,150.31/x
3. Step 3: Cross multiply
   1,779.68x = 2,456.06 × 1,150.31
4. Step 4: Simplify right side
   1,779.68x = 2,825,230.77
5. Step 5: Solve for x
   x = 2,825,230.77/1,779.68
6. Step 6: Final answer
   x = 1,587.49