Finding the Fourth Proportional to 860.18, 1,185.82 and 741.78

Step by Step Solution

1. Step 1: Write the proportion equation
   860.18 : 1,185.82 = 741.78 : x
2. Step 2: Convert to fraction form
   860.18/1,185.82 = 741.78/x
3. Step 3: Cross multiply
   860.18x = 1,185.82 × 741.78
4. Step 4: Simplify right side
   860.18x = 879,617.56
5. Step 5: Solve for x
   x = 879,617.56/860.18
6. Step 6: Final answer
   x = 1,022.60