Finding the Fourth Proportional to 1,813.16, 2,706.56 and 1,677.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813.16 : 2,706.56 = 1,677.89 : x
2. Step 2: Convert to fraction form
   1,813.16/2,706.56 = 1,677.89/x
3. Step 3: Cross multiply
   1,813.16x = 2,706.56 × 1,677.89
4. Step 4: Simplify right side
   1,813.16x = 4,541,294.33
5. Step 5: Solve for x
   x = 4,541,294.33/1,813.16
6. Step 6: Final answer
   x = 2,504.64