Finding the Fourth Proportional to 6,080.49, 8,389.89 and 3,720.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,080.49 : 8,389.89 = 3,720.96 : x
2. Step 2: Convert to fraction form
   6,080.49/8,389.89 = 3,720.96/x
3. Step 3: Cross multiply
   6,080.49x = 8,389.89 × 3,720.96
4. Step 4: Simplify right side
   6,080.49x = 31,218,445.09
5. Step 5: Solve for x
   x = 31,218,445.09/6,080.49
6. Step 6: Final answer
   x = 5,134.20