Finding the Fourth Proportional to 14,171.68, 19,583.89 and 10,628.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,171.68 : 19,583.89 = 10,628.74 : x
2. Step 2: Convert to fraction form
   14,171.68/19,583.89 = 10,628.74/x
3. Step 3: Cross multiply
   14,171.68x = 19,583.89 × 10,628.74
4. Step 4: Simplify right side
   14,171.68x = 208,152,132.69
5. Step 5: Solve for x
   x = 208,152,132.69/14,171.68
6. Step 6: Final answer
   x = 14,687.89