Finding the Fourth Proportional to 1,812.83, 2,503.33 and 1,369.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.83 : 2,503.33 = 1,369.96 : x
2. Step 2: Convert to fraction form
   1,812.83/2,503.33 = 1,369.96/x
3. Step 3: Cross multiply
   1,812.83x = 2,503.33 × 1,369.96
4. Step 4: Simplify right side
   1,812.83x = 3,429,452.28
5. Step 5: Solve for x
   x = 3,429,452.28/1,812.83
6. Step 6: Final answer
   x = 1,891.77