Finding the Fourth Proportional to 1,086.58, 1,496.43 and 837.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.58 : 1,496.43 = 837.46 : x
2. Step 2: Convert to fraction form
   1,086.58/1,496.43 = 837.46/x
3. Step 3: Cross multiply
   1,086.58x = 1,496.43 × 837.46
4. Step 4: Simplify right side
   1,086.58x = 1,253,200.27
5. Step 5: Solve for x
   x = 1,253,200.27/1,086.58
6. Step 6: Final answer
   x = 1,153.34