Finding the Fourth Proportional to 10,279.28, 14,198.06 and 7,442.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,279.28 : 14,198.06 = 7,442.16 : x
2. Step 2: Convert to fraction form
   10,279.28/14,198.06 = 7,442.16/x
3. Step 3: Cross multiply
   10,279.28x = 14,198.06 × 7,442.16
4. Step 4: Simplify right side
   10,279.28x = 105,664,306.06
5. Step 5: Solve for x
   x = 105,664,306.06/10,279.28
6. Step 6: Final answer
   x = 10,279.34