Finding the Fourth Proportional to 12,071.08, 16,662.81 and 9,238.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.08 : 16,662.81 = 9,238.29 : x
2. Step 2: Convert to fraction form
   12,071.08/16,662.81 = 9,238.29/x
3. Step 3: Cross multiply
   12,071.08x = 16,662.81 × 9,238.29
4. Step 4: Simplify right side
   12,071.08x = 153,935,870.99
5. Step 5: Solve for x
   x = 153,935,870.99/12,071.08
6. Step 6: Final answer
   x = 12,752.45