Finding the Fourth Proportional to 7,667.18, 11,476.15 and 5,163.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.18 : 11,476.15 = 5,163.76 : x
2. Step 2: Convert to fraction form
   7,667.18/11,476.15 = 5,163.76/x
3. Step 3: Cross multiply
   7,667.18x = 11,476.15 × 5,163.76
4. Step 4: Simplify right side
   7,667.18x = 59,260,001.12
5. Step 5: Solve for x
   x = 59,260,001.12/7,667.18
6. Step 6: Final answer
   x = 7,729.05