Finding the Fourth Proportional to 14,255.69, 19,564.27 and 13,123.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,255.69 : 19,564.27 = 13,123.91 : x
2. Step 2: Convert to fraction form
   14,255.69/19,564.27 = 13,123.91/x
3. Step 3: Cross multiply
   14,255.69x = 19,564.27 × 13,123.91
4. Step 4: Simplify right side
   14,255.69x = 256,759,734.80
5. Step 5: Solve for x
   x = 256,759,734.80/14,255.69
6. Step 6: Final answer
   x = 18,011.04