Finding the Fourth Proportional to 1,020.96, 1,529.82 and 696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020.96 : 1,529.82 = 696.18 : x
2. Step 2: Convert to fraction form
   1,020.96/1,529.82 = 696.18/x
3. Step 3: Cross multiply
   1,020.96x = 1,529.82 × 696.18
4. Step 4: Simplify right side
   1,020.96x = 1,065,030.09
5. Step 5: Solve for x
   x = 1,065,030.09/1,020.96
6. Step 6: Final answer
   x = 1,043.17