Finding the Fourth Proportional to 1,990.46, 2,746.77 and 1,204.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.46 : 2,746.77 = 1,204.37 : x
2. Step 2: Convert to fraction form
   1,990.46/2,746.77 = 1,204.37/x
3. Step 3: Cross multiply
   1,990.46x = 2,746.77 × 1,204.37
4. Step 4: Simplify right side
   1,990.46x = 3,308,127.38
5. Step 5: Solve for x
   x = 3,308,127.38/1,990.46
6. Step 6: Final answer
   x = 1,661.99