Finding the Fourth Proportional to 23,078.16, 31,842.72 and 14,124.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.16 : 31,842.72 = 14,124.96 : x
2. Step 2: Convert to fraction form
   23,078.16/31,842.72 = 14,124.96/x
3. Step 3: Cross multiply
   23,078.16x = 31,842.72 × 14,124.96
4. Step 4: Simplify right side
   23,078.16x = 449,777,146.29
5. Step 5: Solve for x
   x = 449,777,146.29/23,078.16
6. Step 6: Final answer
   x = 19,489.30