Finding the Fourth Proportional to 1,819.64, 2,494.72 and 1,786.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.64 : 2,494.72 = 1,786.82 : x
2. Step 2: Convert to fraction form
   1,819.64/2,494.72 = 1,786.82/x
3. Step 3: Cross multiply
   1,819.64x = 2,494.72 × 1,786.82
4. Step 4: Simplify right side
   1,819.64x = 4,457,615.59
5. Step 5: Solve for x
   x = 4,457,615.59/1,819.64
6. Step 6: Final answer
   x = 2,449.72