Finding the Fourth Proportional to 2,162.01, 2,983.73 and 1,230.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.01 : 2,983.73 = 1,230.51 : x
2. Step 2: Convert to fraction form
   2,162.01/2,983.73 = 1,230.51/x
3. Step 3: Cross multiply
   2,162.01x = 2,983.73 × 1,230.51
4. Step 4: Simplify right side
   2,162.01x = 3,671,503.45
5. Step 5: Solve for x
   x = 3,671,503.45/2,162.01
6. Step 6: Final answer
   x = 1,698.19