Finding the Fourth Proportional to 14,019.54, 21,059.83 and 8,475.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.54 : 21,059.83 = 8,475.49 : x
2. Step 2: Convert to fraction form
   14,019.54/21,059.83 = 8,475.49/x
3. Step 3: Cross multiply
   14,019.54x = 21,059.83 × 8,475.49
4. Step 4: Simplify right side
   14,019.54x = 178,492,415.49
5. Step 5: Solve for x
   x = 178,492,415.49/14,019.54
6. Step 6: Final answer
   x = 12,731.69