Finding the Fourth Proportional to 10,427.46, 14,388.57 and 8,308.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.46 : 14,388.57 = 8,308.37 : x
2. Step 2: Convert to fraction form
   10,427.46/14,388.57 = 8,308.37/x
3. Step 3: Cross multiply
   10,427.46x = 14,388.57 × 8,308.37
4. Step 4: Simplify right side
   10,427.46x = 119,545,563.33
5. Step 5: Solve for x
   x = 119,545,563.33/10,427.46
6. Step 6: Final answer
   x = 11,464.50