Finding the Fourth Proportional to 8,469.42, 11,683.96 and 5,111.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,469.42 : 11,683.96 = 5,111.16 : x
2. Step 2: Convert to fraction form
   8,469.42/11,683.96 = 5,111.16/x
3. Step 3: Cross multiply
   8,469.42x = 11,683.96 × 5,111.16
4. Step 4: Simplify right side
   8,469.42x = 59,718,530.57
5. Step 5: Solve for x
   x = 59,718,530.57/8,469.42
6. Step 6: Final answer
   x = 7,051.08