Finding the Fourth Proportional to 3,111.58, 4,670.05 and 1,631.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.58 : 4,670.05 = 1,631.83 : x
2. Step 2: Convert to fraction form
   3,111.58/4,670.05 = 1,631.83/x
3. Step 3: Cross multiply
   3,111.58x = 4,670.05 × 1,631.83
4. Step 4: Simplify right side
   3,111.58x = 7,620,727.69
5. Step 5: Solve for x
   x = 7,620,727.69/3,111.58
6. Step 6: Final answer
   x = 2,449.15