Finding the Fourth Proportional to 23,081.12, 31,859.78 and 14,356.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.12 : 31,859.78 = 14,356.61 : x
2. Step 2: Convert to fraction form
   23,081.12/31,859.78 = 14,356.61/x
3. Step 3: Cross multiply
   23,081.12x = 31,859.78 × 14,356.61
4. Step 4: Simplify right side
   23,081.12x = 457,398,405.29
5. Step 5: Solve for x
   x = 457,398,405.29/23,081.12
6. Step 6: Final answer
   x = 19,816.99