Finding the Fourth Proportional to 1,100.66, 1,651.43 and 662.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.66 : 1,651.43 = 662.74 : x
2. Step 2: Convert to fraction form
   1,100.66/1,651.43 = 662.74/x
3. Step 3: Cross multiply
   1,100.66x = 1,651.43 × 662.74
4. Step 4: Simplify right side
   1,100.66x = 1,094,468.72
5. Step 5: Solve for x
   x = 1,094,468.72/1,100.66
6. Step 6: Final answer
   x = 994.37