Finding the Fourth Proportional to 1,998.54, 2,976.72 and 1,894.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.54 : 2,976.72 = 1,894.50 : x
2. Step 2: Convert to fraction form
   1,998.54/2,976.72 = 1,894.50/x
3. Step 3: Cross multiply
   1,998.54x = 2,976.72 × 1,894.50
4. Step 4: Simplify right side
   1,998.54x = 5,639,396.04
5. Step 5: Solve for x
   x = 5,639,396.04/1,998.54
6. Step 6: Final answer
   x = 2,821.76