Finding the Fourth Proportional to 5,926.55, 8,180.27 and 3,687.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,926.55 : 8,180.27 = 3,687.09 : x
2. Step 2: Convert to fraction form
   5,926.55/8,180.27 = 3,687.09/x
3. Step 3: Cross multiply
   5,926.55x = 8,180.27 × 3,687.09
4. Step 4: Simplify right side
   5,926.55x = 30,161,373.28
5. Step 5: Solve for x
   x = 30,161,373.28/5,926.55
6. Step 6: Final answer
   x = 5,089.20