Finding the Fourth Proportional to 8,468.36, 11,686.18 and 5,111.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,468.36 : 11,686.18 = 5,111.32 : x
2. Step 2: Convert to fraction form
   8,468.36/11,686.18 = 5,111.32/x
3. Step 3: Cross multiply
   8,468.36x = 11,686.18 × 5,111.32
4. Step 4: Simplify right side
   8,468.36x = 59,731,782.73
5. Step 5: Solve for x
   x = 59,731,782.73/8,468.36
6. Step 6: Final answer
   x = 7,053.52