Finding the Fourth Proportional to 1,162.55, 1,601.37 and 1,086.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.55 : 1,601.37 = 1,086.01 : x
2. Step 2: Convert to fraction form
   1,162.55/1,601.37 = 1,086.01/x
3. Step 3: Cross multiply
   1,162.55x = 1,601.37 × 1,086.01
4. Step 4: Simplify right side
   1,162.55x = 1,739,099.83
5. Step 5: Solve for x
   x = 1,739,099.83/1,162.55
6. Step 6: Final answer
   x = 1,495.93