Finding the Fourth Proportional to 17,379.78, 26,048.72 and 8,006.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,379.78 : 26,048.72 = 8,006.96 : x
2. Step 2: Convert to fraction form
   17,379.78/26,048.72 = 8,006.96/x
3. Step 3: Cross multiply
   17,379.78x = 26,048.72 × 8,006.96
4. Step 4: Simplify right side
   17,379.78x = 208,571,059.09
5. Step 5: Solve for x
   x = 208,571,059.09/17,379.78
6. Step 6: Final answer
   x = 12,000.79