Finding the Fourth Proportional to 3,665.09, 5,497.54 and 1,068.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.09 : 5,497.54 = 1,068.05 : x
2. Step 2: Convert to fraction form
   3,665.09/5,497.54 = 1,068.05/x
3. Step 3: Cross multiply
   3,665.09x = 5,497.54 × 1,068.05
4. Step 4: Simplify right side
   3,665.09x = 5,871,647.60
5. Step 5: Solve for x
   x = 5,871,647.60/3,665.09
6. Step 6: Final answer
   x = 1,602.05