Finding the Fourth Proportional to 1,758.42, 2,635.77 and 662.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.42 : 2,635.77 = 662.31 : x
2. Step 2: Convert to fraction form
   1,758.42/2,635.77 = 662.31/x
3. Step 3: Cross multiply
   1,758.42x = 2,635.77 × 662.31
4. Step 4: Simplify right side
   1,758.42x = 1,745,696.83
5. Step 5: Solve for x
   x = 1,745,696.83/1,758.42
6. Step 6: Final answer
   x = 992.76