Finding the Fourth Proportional to 1,764.63, 2,436.62 and 1,206.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.63 : 2,436.62 = 1,206.27 : x
2. Step 2: Convert to fraction form
   1,764.63/2,436.62 = 1,206.27/x
3. Step 3: Cross multiply
   1,764.63x = 2,436.62 × 1,206.27
4. Step 4: Simplify right side
   1,764.63x = 2,939,215.58
5. Step 5: Solve for x
   x = 2,939,215.58/1,764.63
6. Step 6: Final answer
   x = 1,665.63