Finding the Fourth Proportional to 1,068.81, 1,474.56 and 649.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.81 : 1,474.56 = 649.02 : x
2. Step 2: Convert to fraction form
   1,068.81/1,474.56 = 649.02/x
3. Step 3: Cross multiply
   1,068.81x = 1,474.56 × 649.02
4. Step 4: Simplify right side
   1,068.81x = 957,018.93
5. Step 5: Solve for x
   x = 957,018.93/1,068.81
6. Step 6: Final answer
   x = 895.41