Finding the Fourth Proportional to 1,156.06, 1,595.46 and 1,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.06 : 1,595.46 = 1,086 : x
2. Step 2: Convert to fraction form
   1,156.06/1,595.46 = 1,086/x
3. Step 3: Cross multiply
   1,156.06x = 1,595.46 × 1,086
4. Step 4: Simplify right side
   1,156.06x = 1,732,669.56
5. Step 5: Solve for x
   x = 1,732,669.56/1,156.06
6. Step 6: Final answer
   x = 1,498.77