Finding the Fourth Proportional to 8,849.89, 12,215.43 and 5,267.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.89 : 12,215.43 = 5,267.36 : x
2. Step 2: Convert to fraction form
   8,849.89/12,215.43 = 5,267.36/x
3. Step 3: Cross multiply
   8,849.89x = 12,215.43 × 5,267.36
4. Step 4: Simplify right side
   8,849.89x = 64,343,112.72
5. Step 5: Solve for x
   x = 64,343,112.72/8,849.89
6. Step 6: Final answer
   x = 7,270.50