Finding the Fourth Proportional to 1,194.53, 1,648.46 and 663.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.53 : 1,648.46 = 663.41 : x
2. Step 2: Convert to fraction form
   1,194.53/1,648.46 = 663.41/x
3. Step 3: Cross multiply
   1,194.53x = 1,648.46 × 663.41
4. Step 4: Simplify right side
   1,194.53x = 1,093,610.63
5. Step 5: Solve for x
   x = 1,093,610.63/1,194.53
6. Step 6: Final answer
   x = 915.52