Finding the Fourth Proportional to 1,194.83, 1,648.82 and 663.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.83 : 1,648.82 = 663.74 : x
2. Step 2: Convert to fraction form
   1,194.83/1,648.82 = 663.74/x
3. Step 3: Cross multiply
   1,194.83x = 1,648.82 × 663.74
4. Step 4: Simplify right side
   1,194.83x = 1,094,393.57
5. Step 5: Solve for x
   x = 1,094,393.57/1,194.83
6. Step 6: Final answer
   x = 915.94