Finding the Fourth Proportional to 1,016.53, 1,402.84 and 662.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.53 : 1,402.84 = 662.68 : x
2. Step 2: Convert to fraction form
   1,016.53/1,402.84 = 662.68/x
3. Step 3: Cross multiply
   1,016.53x = 1,402.84 × 662.68
4. Step 4: Simplify right side
   1,016.53x = 929,631.92
5. Step 5: Solve for x
   x = 929,631.92/1,016.53
6. Step 6: Final answer
   x = 914.52