Finding the Fourth Proportional to 23,086.53, 31,864.71 and 14,138.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,086.53 : 31,864.71 = 14,138.96 : x
2. Step 2: Convert to fraction form
   23,086.53/31,864.71 = 14,138.96/x
3. Step 3: Cross multiply
   23,086.53x = 31,864.71 × 14,138.96
4. Step 4: Simplify right side
   23,086.53x = 450,533,789.41
5. Step 5: Solve for x
   x = 450,533,789.41/23,086.53
6. Step 6: Final answer
   x = 19,515.01