Finding the Fourth Proportional to 2,012.84, 2,778.18 and 1,185.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.84 : 2,778.18 = 1,185.32 : x
2. Step 2: Convert to fraction form
   2,012.84/2,778.18 = 1,185.32/x
3. Step 3: Cross multiply
   2,012.84x = 2,778.18 × 1,185.32
4. Step 4: Simplify right side
   2,012.84x = 3,293,032.32
5. Step 5: Solve for x
   x = 3,293,032.32/2,012.84
6. Step 6: Final answer
   x = 1,636.01