Finding the Fourth Proportional to 1,814.41, 2,504.65 and 1,225.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.41 : 2,504.65 = 1,225.74 : x
2. Step 2: Convert to fraction form
   1,814.41/2,504.65 = 1,225.74/x
3. Step 3: Cross multiply
   1,814.41x = 2,504.65 × 1,225.74
4. Step 4: Simplify right side
   1,814.41x = 3,070,049.69
5. Step 5: Solve for x
   x = 3,070,049.69/1,814.41
6. Step 6: Final answer
   x = 1,692.04