Finding the Fourth Proportional to 1,194.49, 1,648.28 and 697.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.49 : 1,648.28 = 697.10 : x
2. Step 2: Convert to fraction form
   1,194.49/1,648.28 = 697.10/x
3. Step 3: Cross multiply
   1,194.49x = 1,648.28 × 697.10
4. Step 4: Simplify right side
   1,194.49x = 1,149,012.50
5. Step 5: Solve for x
   x = 1,149,012.50/1,194.49
6. Step 6: Final answer
   x = 961.93