Finding the Fourth Proportional to 1,064.38, 1,597.38 and 630.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.38 : 1,597.38 = 630.22 : x
2. Step 2: Convert to fraction form
   1,064.38/1,597.38 = 630.22/x
3. Step 3: Cross multiply
   1,064.38x = 1,597.38 × 630.22
4. Step 4: Simplify right side
   1,064.38x = 1,006,700.82
5. Step 5: Solve for x
   x = 1,006,700.82/1,064.38
6. Step 6: Final answer
   x = 945.81