Finding the Fourth Proportional to 1,870.29, 2,806.02 and 1,323.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.29 : 2,806.02 = 1,323.54 : x
2. Step 2: Convert to fraction form
   1,870.29/2,806.02 = 1,323.54/x
3. Step 3: Cross multiply
   1,870.29x = 2,806.02 × 1,323.54
4. Step 4: Simplify right side
   1,870.29x = 3,713,879.71
5. Step 5: Solve for x
   x = 3,713,879.71/1,870.29
6. Step 6: Final answer
   x = 1,985.72