Finding the Fourth Proportional to 12,709.82, 19,162.24 and 11,852.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,709.82 : 19,162.24 = 11,852.31 : x
2. Step 2: Convert to fraction form
   12,709.82/19,162.24 = 11,852.31/x
3. Step 3: Cross multiply
   12,709.82x = 19,162.24 × 11,852.31
4. Step 4: Simplify right side
   12,709.82x = 227,116,749.51
5. Step 5: Solve for x
   x = 227,116,749.51/12,709.82
6. Step 6: Final answer
   x = 17,869.39