Finding the Fourth Proportional to 14,516.82, 21,779.37 and 7,123.41

Step by Step Solution

1. Step 1: Write the proportion equation
   14,516.82 : 21,779.37 = 7,123.41 : x
2. Step 2: Convert to fraction form
   14,516.82/21,779.37 = 7,123.41/x
3. Step 3: Cross multiply
   14,516.82x = 21,779.37 × 7,123.41
4. Step 4: Simplify right side
   14,516.82x = 155,143,382.05
5. Step 5: Solve for x
   x = 155,143,382.05/14,516.82
6. Step 6: Final answer
   x = 10,687.15