Finding the Fourth Proportional to 1,776.37, 2,664.59 and 606.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.37 : 2,664.59 = 606.64 : x
2. Step 2: Convert to fraction form
   1,776.37/2,664.59 = 606.64/x
3. Step 3: Cross multiply
   1,776.37x = 2,664.59 × 606.64
4. Step 4: Simplify right side
   1,776.37x = 1,616,443.89
5. Step 5: Solve for x
   x = 1,616,443.89/1,776.37
6. Step 6: Final answer
   x = 909.97