Finding the Fourth Proportional to 1,779.84, 2,456.60 and 1,150.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.84 : 2,456.60 = 1,150.61 : x
2. Step 2: Convert to fraction form
   1,779.84/2,456.60 = 1,150.61/x
3. Step 3: Cross multiply
   1,779.84x = 2,456.60 × 1,150.61
4. Step 4: Simplify right side
   1,779.84x = 2,826,570.49
5. Step 5: Solve for x
   x = 2,826,570.49/1,779.84
6. Step 6: Final answer
   x = 1,588.10