Finding the Fourth Proportional to 2,280.58, 3,423.82 and 1,185.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.58 : 3,423.82 = 1,185.71 : x
2. Step 2: Convert to fraction form
   2,280.58/3,423.82 = 1,185.71/x
3. Step 3: Cross multiply
   2,280.58x = 3,423.82 × 1,185.71
4. Step 4: Simplify right side
   2,280.58x = 4,059,657.61
5. Step 5: Solve for x
   x = 4,059,657.61/2,280.58
6. Step 6: Final answer
   x = 1,780.10