Finding the Fourth Proportional to 3,848.83, 5,311.37 and 2,080.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,848.83 : 5,311.37 = 2,080.43 : x
2. Step 2: Convert to fraction form
   3,848.83/5,311.37 = 2,080.43/x
3. Step 3: Cross multiply
   3,848.83x = 5,311.37 × 2,080.43
4. Step 4: Simplify right side
   3,848.83x = 11,049,961.93
5. Step 5: Solve for x
   x = 11,049,961.93/3,848.83
6. Step 6: Final answer
   x = 2,870.99