Finding the Fourth Proportional to 2,986.06, 4,461.89 and 2,279.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.06 : 4,461.89 = 2,279.38 : x
2. Step 2: Convert to fraction form
   2,986.06/4,461.89 = 2,279.38/x
3. Step 3: Cross multiply
   2,986.06x = 4,461.89 × 2,279.38
4. Step 4: Simplify right side
   2,986.06x = 10,170,342.83
5. Step 5: Solve for x
   x = 10,170,342.83/2,986.06
6. Step 6: Final answer
   x = 3,405.94