Finding the Fourth Proportional to 1,185.08, 1,776.74 and 818.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.08 : 1,776.74 = 818.82 : x
2. Step 2: Convert to fraction form
   1,185.08/1,776.74 = 818.82/x
3. Step 3: Cross multiply
   1,185.08x = 1,776.74 × 818.82
4. Step 4: Simplify right side
   1,185.08x = 1,454,826.15
5. Step 5: Solve for x
   x = 1,454,826.15/1,185.08
6. Step 6: Final answer
   x = 1,227.62