Finding the Fourth Proportional to 1,092.04, 1,506.69 and 986.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.04 : 1,506.69 = 986.79 : x
2. Step 2: Convert to fraction form
   1,092.04/1,506.69 = 986.79/x
3. Step 3: Cross multiply
   1,092.04x = 1,506.69 × 986.79
4. Step 4: Simplify right side
   1,092.04x = 1,486,793.51
5. Step 5: Solve for x
   x = 1,486,793.51/1,092.04
6. Step 6: Final answer
   x = 1,361.48