Finding the Fourth Proportional to 1,808.91, 2,496.27 and 1,012.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.91 : 2,496.27 = 1,012.23 : x
2. Step 2: Convert to fraction form
   1,808.91/2,496.27 = 1,012.23/x
3. Step 3: Cross multiply
   1,808.91x = 2,496.27 × 1,012.23
4. Step 4: Simplify right side
   1,808.91x = 2,526,799.38
5. Step 5: Solve for x
   x = 2,526,799.38/1,808.91
6. Step 6: Final answer
   x = 1,396.86