Finding the Fourth Proportional to 2,415.75, 3,621.86 and 1,633.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.75 : 3,621.86 = 1,633.82 : x
2. Step 2: Convert to fraction form
   2,415.75/3,621.86 = 1,633.82/x
3. Step 3: Cross multiply
   2,415.75x = 3,621.86 × 1,633.82
4. Step 4: Simplify right side
   2,415.75x = 5,917,441.03
5. Step 5: Solve for x
   x = 5,917,441.03/2,415.75
6. Step 6: Final answer
   x = 2,449.53