Finding the Fourth Proportional to 5,080.89, 7,621.71 and 1,383.41

Step by Step Solution

1. Step 1: Write the proportion equation
   5,080.89 : 7,621.71 = 1,383.41 : x
2. Step 2: Convert to fraction form
   5,080.89/7,621.71 = 1,383.41/x
3. Step 3: Cross multiply
   5,080.89x = 7,621.71 × 1,383.41
4. Step 4: Simplify right side
   5,080.89x = 10,543,911.72
5. Step 5: Solve for x
   x = 10,543,911.72/5,080.89
6. Step 6: Final answer
   x = 2,075.21