Finding the Fourth Proportional to 1,976.24, 2,960.00 and 1,280.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.24 : 2,960.00 = 1,280.81 : x
2. Step 2: Convert to fraction form
   1,976.24/2,960.00 = 1,280.81/x
3. Step 3: Cross multiply
   1,976.24x = 2,960.00 × 1,280.81
4. Step 4: Simplify right side
   1,976.24x = 3,791,181.95
5. Step 5: Solve for x
   x = 3,791,181.95/1,976.24
6. Step 6: Final answer
   x = 1,918.38