Finding the Fourth Proportional to 1,976.52, 2,960.94 and 1,111.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.52 : 2,960.94 = 1,111.40 : x
2. Step 2: Convert to fraction form
   1,976.52/2,960.94 = 1,111.40/x
3. Step 3: Cross multiply
   1,976.52x = 2,960.94 × 1,111.40
4. Step 4: Simplify right side
   1,976.52x = 3,290,788.72
5. Step 5: Solve for x
   x = 3,290,788.72/1,976.52
6. Step 6: Final answer
   x = 1,664.94