Finding the Fourth Proportional to 1,068.03, 1,474.04 and 648.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.03 : 1,474.04 = 648.56 : x
2. Step 2: Convert to fraction form
   1,068.03/1,474.04 = 648.56/x
3. Step 3: Cross multiply
   1,068.03x = 1,474.04 × 648.56
4. Step 4: Simplify right side
   1,068.03x = 956,008.69
5. Step 5: Solve for x
   x = 956,008.69/1,068.03
6. Step 6: Final answer
   x = 895.11