Finding the Fourth Proportional to 1,410.36, 1,941.88 and 1,280.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.36 : 1,941.88 = 1,280.76 : x
2. Step 2: Convert to fraction form
   1,410.36/1,941.88 = 1,280.76/x
3. Step 3: Cross multiply
   1,410.36x = 1,941.88 × 1,280.76
4. Step 4: Simplify right side
   1,410.36x = 2,487,082.23
5. Step 5: Solve for x
   x = 2,487,082.23/1,410.36
6. Step 6: Final answer
   x = 1,763.44