Finding the Fourth Proportional to 7,667.57, 11,499.89 and 2,401.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.57 : 11,499.89 = 2,401.79 : x
2. Step 2: Convert to fraction form
   7,667.57/11,499.89 = 2,401.79/x
3. Step 3: Cross multiply
   7,667.57x = 11,499.89 × 2,401.79
4. Step 4: Simplify right side
   7,667.57x = 27,620,269.31
5. Step 5: Solve for x
   x = 27,620,269.31/7,667.57
6. Step 6: Final answer
   x = 3,602.22