Finding the Fourth Proportional to 1,404.27, 2,094.17 and 1,231.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.27 : 2,094.17 = 1,231.74 : x
2. Step 2: Convert to fraction form
   1,404.27/2,094.17 = 1,231.74/x
3. Step 3: Cross multiply
   1,404.27x = 2,094.17 × 1,231.74
4. Step 4: Simplify right side
   1,404.27x = 2,579,466.80
5. Step 5: Solve for x
   x = 2,579,466.80/1,404.27
6. Step 6: Final answer
   x = 1,836.87