Finding the Fourth Proportional to 5,080.30, 7,623.37 and 2,740.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,080.30 : 7,623.37 = 2,740.30 : x
2. Step 2: Convert to fraction form
   5,080.30/7,623.37 = 2,740.30/x
3. Step 3: Cross multiply
   5,080.30x = 7,623.37 × 2,740.30
4. Step 4: Simplify right side
   5,080.30x = 20,890,289.76
5. Step 5: Solve for x
   x = 20,890,289.76/5,080.30
6. Step 6: Final answer
   x = 4,112.02