Finding the Fourth Proportional to 1,162.76, 1,604.48 and 697.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.76 : 1,604.48 = 697.01 : x
2. Step 2: Convert to fraction form
   1,162.76/1,604.48 = 697.01/x
3. Step 3: Cross multiply
   1,162.76x = 1,604.48 × 697.01
4. Step 4: Simplify right side
   1,162.76x = 1,118,327.10
5. Step 5: Solve for x
   x = 1,118,327.10/1,162.76
6. Step 6: Final answer
   x = 961.79