Finding the Fourth Proportional to 10,979.14, 16,470.83 and 3,581.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.14 : 16,470.83 = 3,581.61 : x
2. Step 2: Convert to fraction form
   10,979.14/16,470.83 = 3,581.61/x
3. Step 3: Cross multiply
   10,979.14x = 16,470.83 × 3,581.61
4. Step 4: Simplify right side
   10,979.14x = 58,991,989.17
5. Step 5: Solve for x
   x = 58,991,989.17/10,979.14
6. Step 6: Final answer
   x = 5,373.10