Finding the Fourth Proportional to 6,986.09, 10,478.82 and 2,055.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,986.09 : 10,478.82 = 2,055.89 : x
2. Step 2: Convert to fraction form
   6,986.09/10,478.82 = 2,055.89/x
3. Step 3: Cross multiply
   6,986.09x = 10,478.82 × 2,055.89
4. Step 4: Simplify right side
   6,986.09x = 21,543,301.25
5. Step 5: Solve for x
   x = 21,543,301.25/6,986.09
6. Step 6: Final answer
   x = 3,083.74