Finding the Fourth Proportional to 2,153.82, 3,230.72 and 614.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.82 : 3,230.72 = 614.82 : x
2. Step 2: Convert to fraction form
   2,153.82/3,230.72 = 614.82/x
3. Step 3: Cross multiply
   2,153.82x = 3,230.72 × 614.82
4. Step 4: Simplify right side
   2,153.82x = 1,986,308.20
5. Step 5: Solve for x
   x = 1,986,308.20/2,153.82
6. Step 6: Final answer
   x = 922.23