Finding the Fourth Proportional to 1,068.02, 1,474.23 and 648.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.02 : 1,474.23 = 648.71 : x
2. Step 2: Convert to fraction form
   1,068.02/1,474.23 = 648.71/x
3. Step 3: Cross multiply
   1,068.02x = 1,474.23 × 648.71
4. Step 4: Simplify right side
   1,068.02x = 956,347.74
5. Step 5: Solve for x
   x = 956,347.74/1,068.02
6. Step 6: Final answer
   x = 895.44