Finding the Fourth Proportional to 3,100.32, 4,649.94 and 1,619.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.32 : 4,649.94 = 1,619.46 : x
2. Step 2: Convert to fraction form
   3,100.32/4,649.94 = 1,619.46/x
3. Step 3: Cross multiply
   3,100.32x = 4,649.94 × 1,619.46
4. Step 4: Simplify right side
   3,100.32x = 7,530,391.83
5. Step 5: Solve for x
   x = 7,530,391.83/3,100.32
6. Step 6: Final answer
   x = 2,428.91