Finding the Fourth Proportional to 22,959.72, 31,685.94 and 14,004.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,959.72 : 31,685.94 = 14,004.78 : x
2. Step 2: Convert to fraction form
   22,959.72/31,685.94 = 14,004.78/x
3. Step 3: Cross multiply
   22,959.72x = 31,685.94 × 14,004.78
4. Step 4: Simplify right side
   22,959.72x = 443,754,618.79
5. Step 5: Solve for x
   x = 443,754,618.79/22,959.72
6. Step 6: Final answer
   x = 19,327.53