Finding the Fourth Proportional to 3,686.54, 5,527.89 and 1,738.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.54 : 5,527.89 = 1,738.22 : x
2. Step 2: Convert to fraction form
   3,686.54/5,527.89 = 1,738.22/x
3. Step 3: Cross multiply
   3,686.54x = 5,527.89 × 1,738.22
4. Step 4: Simplify right side
   3,686.54x = 9,608,688.96
5. Step 5: Solve for x
   x = 9,608,688.96/3,686.54
6. Step 6: Final answer
   x = 2,606.42