Finding the Fourth Proportional to 22,648.86, 31,256.37 and 13,694.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,648.86 : 31,256.37 = 13,694.76 : x
2. Step 2: Convert to fraction form
   22,648.86/31,256.37 = 13,694.76/x
3. Step 3: Cross multiply
   22,648.86x = 31,256.37 × 13,694.76
4. Step 4: Simplify right side
   22,648.86x = 428,048,485.62
5. Step 5: Solve for x
   x = 428,048,485.62/22,648.86
6. Step 6: Final answer
   x = 18,899.34