Finding the Fourth Proportional to 1,501.29, 2,067.39 and 1,280.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.29 : 2,067.39 = 1,280.16 : x
2. Step 2: Convert to fraction form
   1,501.29/2,067.39 = 1,280.16/x
3. Step 3: Cross multiply
   1,501.29x = 2,067.39 × 1,280.16
4. Step 4: Simplify right side
   1,501.29x = 2,646,589.98
5. Step 5: Solve for x
   x = 2,646,589.98/1,501.29
6. Step 6: Final answer
   x = 1,762.88