Finding the Fourth Proportional to 1,773.56, 2,658.63 and 662.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.56 : 2,658.63 = 662.69 : x
2. Step 2: Convert to fraction form
   1,773.56/2,658.63 = 662.69/x
3. Step 3: Cross multiply
   1,773.56x = 2,658.63 × 662.69
4. Step 4: Simplify right side
   1,773.56x = 1,761,834.22
5. Step 5: Solve for x
   x = 1,761,834.22/1,773.56
6. Step 6: Final answer
   x = 993.39