Finding the Fourth Proportional to 1,827.81, 2,500.62 and 1,819.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827.81 : 2,500.62 = 1,819.98 : x
2. Step 2: Convert to fraction form
   1,827.81/2,500.62 = 1,819.98/x
3. Step 3: Cross multiply
   1,827.81x = 2,500.62 × 1,819.98
4. Step 4: Simplify right side
   1,827.81x = 4,551,078.39
5. Step 5: Solve for x
   x = 4,551,078.39/1,827.81
6. Step 6: Final answer
   x = 2,489.91