Finding the Fourth Proportional to 7,667.73, 11,499.17 and 2,987.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.73 : 11,499.17 = 2,987.42 : x
2. Step 2: Convert to fraction form
   7,667.73/11,499.17 = 2,987.42/x
3. Step 3: Cross multiply
   7,667.73x = 11,499.17 × 2,987.42
4. Step 4: Simplify right side
   7,667.73x = 34,352,778.01
5. Step 5: Solve for x
   x = 34,352,778.01/7,667.73
6. Step 6: Final answer
   x = 4,480.18