Finding the Fourth Proportional to 1,827.32, 2,740.55 and 786.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827.32 : 2,740.55 = 786.83 : x
2. Step 2: Convert to fraction form
   1,827.32/2,740.55 = 786.83/x
3. Step 3: Cross multiply
   1,827.32x = 2,740.55 × 786.83
4. Step 4: Simplify right side
   1,827.32x = 2,156,329.32
5. Step 5: Solve for x
   x = 2,156,329.32/1,827.32
6. Step 6: Final answer
   x = 1,180.05