Finding the Fourth Proportional to 2,162.25, 2,984.00 and 1,230.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.25 : 2,984.00 = 1,230.75 : x
2. Step 2: Convert to fraction form
   2,162.25/2,984.00 = 1,230.75/x
3. Step 3: Cross multiply
   2,162.25x = 2,984.00 × 1,230.75
4. Step 4: Simplify right side
   2,162.25x = 3,672,551.85
5. Step 5: Solve for x
   x = 3,672,551.85/2,162.25
6. Step 6: Final answer
   x = 1,698.49