Finding the Fourth Proportional to 3,080.96, 4,620.30 and 1,231.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,080.96 : 4,620.30 = 1,231.52 : x
2. Step 2: Convert to fraction form
   3,080.96/4,620.30 = 1,231.52/x
3. Step 3: Cross multiply
   3,080.96x = 4,620.30 × 1,231.52
4. Step 4: Simplify right side
   3,080.96x = 5,689,991.86
5. Step 5: Solve for x
   x = 5,689,991.86/3,080.96
6. Step 6: Final answer
   x = 1,846.82