Finding the Fourth Proportional to 3,667.68, 5,500.44 and 1,069.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.68 : 5,500.44 = 1,069.74 : x
2. Step 2: Convert to fraction form
   3,667.68/5,500.44 = 1,069.74/x
3. Step 3: Cross multiply
   3,667.68x = 5,500.44 × 1,069.74
4. Step 4: Simplify right side
   3,667.68x = 5,884,040.69
5. Step 5: Solve for x
   x = 5,884,040.69/3,667.68
6. Step 6: Final answer
   x = 1,604.30