Finding the Fourth Proportional to 9,005.35, 12,427.32 and 5,230.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.35 : 12,427.32 = 5,230.73 : x
2. Step 2: Convert to fraction form
   9,005.35/12,427.32 = 5,230.73/x
3. Step 3: Cross multiply
   9,005.35x = 12,427.32 × 5,230.73
4. Step 4: Simplify right side
   9,005.35x = 65,003,936.32
5. Step 5: Solve for x
   x = 65,003,936.32/9,005.35
6. Step 6: Final answer
   x = 7,218.37