Finding the Fourth Proportional to 1,086.86, 1,494.40 and 1,079.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.86 : 1,494.40 = 1,079.84 : x
2. Step 2: Convert to fraction form
   1,086.86/1,494.40 = 1,079.84/x
3. Step 3: Cross multiply
   1,086.86x = 1,494.40 × 1,079.84
4. Step 4: Simplify right side
   1,086.86x = 1,613,712.90
5. Step 5: Solve for x
   x = 1,613,712.90/1,086.86
6. Step 6: Final answer
   x = 1,484.75