Finding the Fourth Proportional to 16,846.34, 23,257.94 and 14,978.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,846.34 : 23,257.94 = 14,978.14 : x
2. Step 2: Convert to fraction form
   16,846.34/23,257.94 = 14,978.14/x
3. Step 3: Cross multiply
   16,846.34x = 23,257.94 × 14,978.14
4. Step 4: Simplify right side
   16,846.34x = 348,360,548.40
5. Step 5: Solve for x
   x = 348,360,548.40/16,846.34
6. Step 6: Final answer
   x = 20,678.71