Finding the Fourth Proportional to 5,112.28, 7,667.61 and 1,649.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112.28 : 7,667.61 = 1,649.53 : x
2. Step 2: Convert to fraction form
   5,112.28/7,667.61 = 1,649.53/x
3. Step 3: Cross multiply
   5,112.28x = 7,667.61 × 1,649.53
4. Step 4: Simplify right side
   5,112.28x = 12,647,952.72
5. Step 5: Solve for x
   x = 12,647,952.72/5,112.28
6. Step 6: Final answer
   x = 2,474.03