Finding the Fourth Proportional to 2,153.42, 3,230.01 and 693.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.42 : 3,230.01 = 693.62 : x
2. Step 2: Convert to fraction form
   2,153.42/3,230.01 = 693.62/x
3. Step 3: Cross multiply
   2,153.42x = 3,230.01 × 693.62
4. Step 4: Simplify right side
   2,153.42x = 2,240,399.54
5. Step 5: Solve for x
   x = 2,240,399.54/2,153.42
6. Step 6: Final answer
   x = 1,040.39