Finding the Fourth Proportional to 1,910.18, 2,860.61 and 1,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.18 : 2,860.61 = 1,323.50 : x
2. Step 2: Convert to fraction form
   1,910.18/2,860.61 = 1,323.50/x
3. Step 3: Cross multiply
   1,910.18x = 2,860.61 × 1,323.50
4. Step 4: Simplify right side
   1,910.18x = 3,785,996.41
5. Step 5: Solve for x
   x = 3,785,996.41/1,910.18
6. Step 6: Final answer
   x = 1,982.02