Finding the Fourth Proportional to 3,406.96, 4,699.96 and 2,080.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.96 : 4,699.96 = 2,080.72 : x
2. Step 2: Convert to fraction form
   3,406.96/4,699.96 = 2,080.72/x
3. Step 3: Cross multiply
   3,406.96x = 4,699.96 × 2,080.72
4. Step 4: Simplify right side
   3,406.96x = 9,779,300.77
5. Step 5: Solve for x
   x = 9,779,300.77/3,406.96
6. Step 6: Final answer
   x = 2,870.39