Finding the Fourth Proportional to 1,046.17, 1,444.04 and 648.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.17 : 1,444.04 = 648.15 : x
2. Step 2: Convert to fraction form
   1,046.17/1,444.04 = 648.15/x
3. Step 3: Cross multiply
   1,046.17x = 1,444.04 × 648.15
4. Step 4: Simplify right side
   1,046.17x = 935,954.53
5. Step 5: Solve for x
   x = 935,954.53/1,046.17
6. Step 6: Final answer
   x = 894.65