Finding the Fourth Proportional to 5,081.27, 7,621.83 and 1,383.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,081.27 : 7,621.83 = 1,383.48 : x
2. Step 2: Convert to fraction form
   5,081.27/7,621.83 = 1,383.48/x
3. Step 3: Cross multiply
   5,081.27x = 7,621.83 × 1,383.48
4. Step 4: Simplify right side
   5,081.27x = 10,544,649.37
5. Step 5: Solve for x
   x = 10,544,649.37/5,081.27
6. Step 6: Final answer
   x = 2,075.20