Finding the Fourth Proportional to 2,309.02, 3,185.91 and 1,314.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.02 : 3,185.91 = 1,314.22 : x
2. Step 2: Convert to fraction form
   2,309.02/3,185.91 = 1,314.22/x
3. Step 3: Cross multiply
   2,309.02x = 3,185.91 × 1,314.22
4. Step 4: Simplify right side
   2,309.02x = 4,186,986.64
5. Step 5: Solve for x
   x = 4,186,986.64/2,309.02
6. Step 6: Final answer
   x = 1,813.32