Finding the Fourth Proportional to 1,066.32, 1,601.94 and 633.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.32 : 1,601.94 = 633.78 : x
2. Step 2: Convert to fraction form
   1,066.32/1,601.94 = 633.78/x
3. Step 3: Cross multiply
   1,066.32x = 1,601.94 × 633.78
4. Step 4: Simplify right side
   1,066.32x = 1,015,277.53
5. Step 5: Solve for x
   x = 1,015,277.53/1,066.32
6. Step 6: Final answer
   x = 952.13