Finding the Fourth Proportional to 8,111.62, 12,185.79 and 7,004.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.62 : 12,185.79 = 7,004.44 : x
2. Step 2: Convert to fraction form
   8,111.62/12,185.79 = 7,004.44/x
3. Step 3: Cross multiply
   8,111.62x = 12,185.79 × 7,004.44
4. Step 4: Simplify right side
   8,111.62x = 85,354,634.91
5. Step 5: Solve for x
   x = 85,354,634.91/8,111.62
6. Step 6: Final answer
   x = 10,522.51