Finding the Fourth Proportional to 1,041.56, 1,562.72 and 630.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.56 : 1,562.72 = 630.96 : x
2. Step 2: Convert to fraction form
   1,041.56/1,562.72 = 630.96/x
3. Step 3: Cross multiply
   1,041.56x = 1,562.72 × 630.96
4. Step 4: Simplify right side
   1,041.56x = 986,013.81
5. Step 5: Solve for x
   x = 986,013.81/1,041.56
6. Step 6: Final answer
   x = 946.67