Finding the Fourth Proportional to 2,286.17, 3,152.04 and 1,866.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.17 : 3,152.04 = 1,866.09 : x
2. Step 2: Convert to fraction form
   2,286.17/3,152.04 = 1,866.09/x
3. Step 3: Cross multiply
   2,286.17x = 3,152.04 × 1,866.09
4. Step 4: Simplify right side
   2,286.17x = 5,881,990.32
5. Step 5: Solve for x
   x = 5,881,990.32/2,286.17
6. Step 6: Final answer
   x = 2,572.86