Finding the Fourth Proportional to 1,865.09, 2,574.83 and 1,307.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.09 : 2,574.83 = 1,307.27 : x
2. Step 2: Convert to fraction form
   1,865.09/2,574.83 = 1,307.27/x
3. Step 3: Cross multiply
   1,865.09x = 2,574.83 × 1,307.27
4. Step 4: Simplify right side
   1,865.09x = 3,365,998.01
5. Step 5: Solve for x
   x = 3,365,998.01/1,865.09
6. Step 6: Final answer
   x = 1,804.74