Finding the Fourth Proportional to 1,762.72, 2,644.12 and 666.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.72 : 2,644.12 = 666.82 : x
2. Step 2: Convert to fraction form
   1,762.72/2,644.12 = 666.82/x
3. Step 3: Cross multiply
   1,762.72x = 2,644.12 × 666.82
4. Step 4: Simplify right side
   1,762.72x = 1,763,152.10
5. Step 5: Solve for x
   x = 1,763,152.10/1,762.72
6. Step 6: Final answer
   x = 1,000.25