Finding the Fourth Proportional to 2,386.62, 3,293.56 and 1,788.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.62 : 3,293.56 = 1,788.05 : x
2. Step 2: Convert to fraction form
   2,386.62/3,293.56 = 1,788.05/x
3. Step 3: Cross multiply
   2,386.62x = 3,293.56 × 1,788.05
4. Step 4: Simplify right side
   2,386.62x = 5,889,033.49
5. Step 5: Solve for x
   x = 5,889,033.49/2,386.62
6. Step 6: Final answer
   x = 2,467.53