Finding the Fourth Proportional to 1,194.55, 1,648.35 and 697.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.55 : 1,648.35 = 697.07 : x
2. Step 2: Convert to fraction form
   1,194.55/1,648.35 = 697.07/x
3. Step 3: Cross multiply
   1,194.55x = 1,648.35 × 697.07
4. Step 4: Simplify right side
   1,194.55x = 1,149,019.46
5. Step 5: Solve for x
   x = 1,149,019.46/1,194.55
6. Step 6: Final answer
   x = 961.89