Finding the Fourth Proportional to 2,881.26, 3,974.42 and 1,817.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881.26 : 3,974.42 = 1,817.15 : x
2. Step 2: Convert to fraction form
   2,881.26/3,974.42 = 1,817.15/x
3. Step 3: Cross multiply
   2,881.26x = 3,974.42 × 1,817.15
4. Step 4: Simplify right side
   2,881.26x = 7,222,097.34
5. Step 5: Solve for x
   x = 7,222,097.34/2,881.26
6. Step 6: Final answer
   x = 2,506.58