Finding the Fourth Proportional to 8,111.84, 11,196.18 and 6,783.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.84 : 11,196.18 = 6,783.24 : x
2. Step 2: Convert to fraction form
   8,111.84/11,196.18 = 6,783.24/x
3. Step 3: Cross multiply
   8,111.84x = 11,196.18 × 6,783.24
4. Step 4: Simplify right side
   8,111.84x = 75,946,376.02
5. Step 5: Solve for x
   x = 75,946,376.02/8,111.84
6. Step 6: Final answer
   x = 9,362.41