Finding the Fourth Proportional to 5,136.21, 7,667.15 and 4,513.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,136.21 : 7,667.15 = 4,513.42 : x
2. Step 2: Convert to fraction form
   5,136.21/7,667.15 = 4,513.42/x
3. Step 3: Cross multiply
   5,136.21x = 7,667.15 × 4,513.42
4. Step 4: Simplify right side
   5,136.21x = 34,605,105.37
5. Step 5: Solve for x
   x = 34,605,105.37/5,136.21
6. Step 6: Final answer
   x = 6,737.49