Finding the Fourth Proportional to 1,323.71, 1,825.32 and 986.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.71 : 1,825.32 = 986.10 : x
2. Step 2: Convert to fraction form
   1,323.71/1,825.32 = 986.10/x
3. Step 3: Cross multiply
   1,323.71x = 1,825.32 × 986.10
4. Step 4: Simplify right side
   1,323.71x = 1,799,933.99
5. Step 5: Solve for x
   x = 1,799,933.99/1,323.71
6. Step 6: Final answer
   x = 1,359.76