Finding the Fourth Proportional to 3,667.81, 5,501.90 and 1,169.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.81 : 5,501.90 = 1,169.25 : x
2. Step 2: Convert to fraction form
   3,667.81/5,501.90 = 1,169.25/x
3. Step 3: Cross multiply
   3,667.81x = 5,501.90 × 1,169.25
4. Step 4: Simplify right side
   3,667.81x = 6,433,096.58
5. Step 5: Solve for x
   x = 6,433,096.58/3,667.81
6. Step 6: Final answer
   x = 1,753.93