Finding the Fourth Proportional to 9,308.51, 12,858.83 and 8,467.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.51 : 12,858.83 = 8,467.73 : x
2. Step 2: Convert to fraction form
   9,308.51/12,858.83 = 8,467.73/x
3. Step 3: Cross multiply
   9,308.51x = 12,858.83 × 8,467.73
4. Step 4: Simplify right side
   9,308.51x = 108,885,090.36
5. Step 5: Solve for x
   x = 108,885,090.36/9,308.51
6. Step 6: Final answer
   x = 11,697.37