Finding the Fourth Proportional to 8,468.57, 11,687.04 and 5,111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,468.57 : 11,687.04 = 5,111.33 : x
2. Step 2: Convert to fraction form
   8,468.57/11,687.04 = 5,111.33/x
3. Step 3: Cross multiply
   8,468.57x = 11,687.04 × 5,111.33
4. Step 4: Simplify right side
   8,468.57x = 59,736,259.73
5. Step 5: Solve for x
   x = 59,736,259.73/8,468.57
6. Step 6: Final answer
   x = 7,053.88