Finding the Fourth Proportional to 14,838.82, 20,476.72 and 8,123.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,838.82 : 20,476.72 = 8,123.14 : x
2. Step 2: Convert to fraction form
   14,838.82/20,476.72 = 8,123.14/x
3. Step 3: Cross multiply
   14,838.82x = 20,476.72 × 8,123.14
4. Step 4: Simplify right side
   14,838.82x = 166,335,263.30
5. Step 5: Solve for x
   x = 166,335,263.30/14,838.82
6. Step 6: Final answer
   x = 11,209.47