Finding the Fourth Proportional to 1,926.55, 2,658.56 and 1,087.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.55 : 2,658.56 = 1,087.27 : x
2. Step 2: Convert to fraction form
   1,926.55/2,658.56 = 1,087.27/x
3. Step 3: Cross multiply
   1,926.55x = 2,658.56 × 1,087.27
4. Step 4: Simplify right side
   1,926.55x = 2,890,567.09
5. Step 5: Solve for x
   x = 2,890,567.09/1,926.55
6. Step 6: Final answer
   x = 1,500.39