Finding the Fourth Proportional to 2,178.63, 3,007.13 and 1,786.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.63 : 3,007.13 = 1,786.59 : x
2. Step 2: Convert to fraction form
   2,178.63/3,007.13 = 1,786.59/x
3. Step 3: Cross multiply
   2,178.63x = 3,007.13 × 1,786.59
4. Step 4: Simplify right side
   2,178.63x = 5,372,508.39
5. Step 5: Solve for x
   x = 5,372,508.39/2,178.63
6. Step 6: Final answer
   x = 2,466.00