Finding the Fourth Proportional to 5,136.76, 7,667.98 and 4,513.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,136.76 : 7,667.98 = 4,513.98 : x
2. Step 2: Convert to fraction form
   5,136.76/7,667.98 = 4,513.98/x
3. Step 3: Cross multiply
   5,136.76x = 7,667.98 × 4,513.98
4. Step 4: Simplify right side
   5,136.76x = 34,613,108.36
5. Step 5: Solve for x
   x = 34,613,108.36/5,136.76
6. Step 6: Final answer
   x = 6,738.32