Finding the Fourth Proportional to 12,313.32, 16,998.72 and 7,279.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,313.32 : 16,998.72 = 7,279.08 : x
2. Step 2: Convert to fraction form
   12,313.32/16,998.72 = 7,279.08/x
3. Step 3: Cross multiply
   12,313.32x = 16,998.72 × 7,279.08
4. Step 4: Simplify right side
   12,313.32x = 123,735,042.78
5. Step 5: Solve for x
   x = 123,735,042.78/12,313.32
6. Step 6: Final answer
   x = 10,048.88