Finding the Fourth Proportional to 2,158.25, 3,236.76 and 697.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.25 : 3,236.76 = 697.01 : x
2. Step 2: Convert to fraction form
   2,158.25/3,236.76 = 697.01/x
3. Step 3: Cross multiply
   2,158.25x = 3,236.76 × 697.01
4. Step 4: Simplify right side
   2,158.25x = 2,256,037.90
5. Step 5: Solve for x
   x = 2,256,037.90/2,158.25
6. Step 6: Final answer
   x = 1,045.31