Finding the Fourth Proportional to 1,048.02, 1,446.57 and 699.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.02 : 1,446.57 = 699.72 : x
2. Step 2: Convert to fraction form
   1,048.02/1,446.57 = 699.72/x
3. Step 3: Cross multiply
   1,048.02x = 1,446.57 × 699.72
4. Step 4: Simplify right side
   1,048.02x = 1,012,193.96
5. Step 5: Solve for x
   x = 1,012,193.96/1,048.02
6. Step 6: Final answer
   x = 965.82