Finding the Fourth Proportional to 14,404.56, 19,876.86 and 10,629.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,404.56 : 19,876.86 = 10,629.78 : x
2. Step 2: Convert to fraction form
   14,404.56/19,876.86 = 10,629.78/x
3. Step 3: Cross multiply
   14,404.56x = 19,876.86 × 10,629.78
4. Step 4: Simplify right side
   14,404.56x = 211,286,648.89
5. Step 5: Solve for x
   x = 211,286,648.89/14,404.56
6. Step 6: Final answer
   x = 14,668.04