Finding the Fourth Proportional to 5,118.04, 7,667.34 and 2,649.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,118.04 : 7,667.34 = 2,649.16 : x
2. Step 2: Convert to fraction form
   5,118.04/7,667.34 = 2,649.16/x
3. Step 3: Cross multiply
   5,118.04x = 7,667.34 × 2,649.16
4. Step 4: Simplify right side
   5,118.04x = 20,312,010.43
5. Step 5: Solve for x
   x = 20,312,010.43/5,118.04
6. Step 6: Final answer
   x = 3,968.71