Finding the Fourth Proportional to 7,667.10, 11,511.18 and 3,971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.10 : 11,511.18 = 3,971.88 : x
2. Step 2: Convert to fraction form
   7,667.10/11,511.18 = 3,971.88/x
3. Step 3: Cross multiply
   7,667.10x = 11,511.18 × 3,971.88
4. Step 4: Simplify right side
   7,667.10x = 45,721,025.62
5. Step 5: Solve for x
   x = 45,721,025.62/7,667.10
6. Step 6: Final answer
   x = 5,963.27