Finding the Fourth Proportional to 16,947.58, 23,379.75 and 10,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,947.58 : 23,379.75 = 10,663.42 : x
2. Step 2: Convert to fraction form
   16,947.58/23,379.75 = 10,663.42/x
3. Step 3: Cross multiply
   16,947.58x = 23,379.75 × 10,663.42
4. Step 4: Simplify right side
   16,947.58x = 249,308,093.75
5. Step 5: Solve for x
   x = 249,308,093.75/16,947.58
6. Step 6: Final answer
   x = 14,710.54