Finding the Fourth Proportional to 6,080.48, 8,390.55 and 3,428.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,080.48 : 8,390.55 = 3,428.54 : x
2. Step 2: Convert to fraction form
   6,080.48/8,390.55 = 3,428.54/x
3. Step 3: Cross multiply
   6,080.48x = 8,390.55 × 3,428.54
4. Step 4: Simplify right side
   6,080.48x = 28,767,294.34
5. Step 5: Solve for x
   x = 28,767,294.34/6,080.48
6. Step 6: Final answer
   x = 4,731.09