Finding the Fourth Proportional to 7,383.02, 10,992.18 and 7,279.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,383.02 : 10,992.18 = 7,279.61 : x
2. Step 2: Convert to fraction form
   7,383.02/10,992.18 = 7,279.61/x
3. Step 3: Cross multiply
   7,383.02x = 10,992.18 × 7,279.61
4. Step 4: Simplify right side
   7,383.02x = 80,018,747.05
5. Step 5: Solve for x
   x = 80,018,747.05/7,383.02
6. Step 6: Final answer
   x = 10,838.21