Finding the Fourth Proportional to 2,574.76, 3,859.15 and 1,185.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.76 : 3,859.15 = 1,185.18 : x
2. Step 2: Convert to fraction form
   2,574.76/3,859.15 = 1,185.18/x
3. Step 3: Cross multiply
   2,574.76x = 3,859.15 × 1,185.18
4. Step 4: Simplify right side
   2,574.76x = 4,573,787.40
5. Step 5: Solve for x
   x = 4,573,787.40/2,574.76
6. Step 6: Final answer
   x = 1,776.39