Finding the Fourth Proportional to 2,097.81, 2,893.50 and 1,817.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.81 : 2,893.50 = 1,817.55 : x
2. Step 2: Convert to fraction form
   2,097.81/2,893.50 = 1,817.55/x
3. Step 3: Cross multiply
   2,097.81x = 2,893.50 × 1,817.55
4. Step 4: Simplify right side
   2,097.81x = 5,259,073.07
5. Step 5: Solve for x
   x = 5,259,073.07/2,097.81
6. Step 6: Final answer
   x = 2,506.93