Finding the Fourth Proportional to 3,854.98, 5,779.89 and 1,982.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854.98 : 5,779.89 = 1,982.06 : x
2. Step 2: Convert to fraction form
   3,854.98/5,779.89 = 1,982.06/x
3. Step 3: Cross multiply
   3,854.98x = 5,779.89 × 1,982.06
4. Step 4: Simplify right side
   3,854.98x = 11,456,088.77
5. Step 5: Solve for x
   x = 11,456,088.77/3,854.98
6. Step 6: Final answer
   x = 2,971.76