Finding the Fourth Proportional to 8,111.08, 12,109.01 and 7,823.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.08 : 12,109.01 = 7,823.08 : x
2. Step 2: Convert to fraction form
   8,111.08/12,109.01 = 7,823.08/x
3. Step 3: Cross multiply
   8,111.08x = 12,109.01 × 7,823.08
4. Step 4: Simplify right side
   8,111.08x = 94,729,753.95
5. Step 5: Solve for x
   x = 94,729,753.95/8,111.08
6. Step 6: Final answer
   x = 11,679.06