Finding the Fourth Proportional to 1,781, 2,456.70 and 1,150.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781 : 2,456.70 = 1,150.52 : x
2. Step 2: Convert to fraction form
   1,781/2,456.70 = 1,150.52/x
3. Step 3: Cross multiply
   1,781x = 2,456.70 × 1,150.52
4. Step 4: Simplify right side
   1,781x = 2,826,482.48
5. Step 5: Solve for x
   x = 2,826,482.48/1,781
6. Step 6: Final answer
   x = 1,587.02