Finding the Fourth Proportional to 5,080.86, 7,620.69 and 1,383.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,080.86 : 7,620.69 = 1,383.38 : x
2. Step 2: Convert to fraction form
   5,080.86/7,620.69 = 1,383.38/x
3. Step 3: Cross multiply
   5,080.86x = 7,620.69 × 1,383.38
4. Step 4: Simplify right side
   5,080.86x = 10,542,326.59
5. Step 5: Solve for x
   x = 10,542,326.59/5,080.86
6. Step 6: Final answer
   x = 2,074.91