Finding the Fourth Proportional to 14,250.78, 19,664.73 and 8,282.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,250.78 : 19,664.73 = 8,282.37 : x
2. Step 2: Convert to fraction form
   14,250.78/19,664.73 = 8,282.37/x
3. Step 3: Cross multiply
   14,250.78x = 19,664.73 × 8,282.37
4. Step 4: Simplify right side
   14,250.78x = 162,870,569.81
5. Step 5: Solve for x
   x = 162,870,569.81/14,250.78
6. Step 6: Final answer
   x = 11,428.89