Finding the Fourth Proportional to 3,666.34, 5,500.37 and 1,325.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.34 : 5,500.37 = 1,325.94 : x
2. Step 2: Convert to fraction form
   3,666.34/5,500.37 = 1,325.94/x
3. Step 3: Cross multiply
   3,666.34x = 5,500.37 × 1,325.94
4. Step 4: Simplify right side
   3,666.34x = 7,293,160.60
5. Step 5: Solve for x
   x = 7,293,160.60/3,666.34
6. Step 6: Final answer
   x = 1,989.22