Finding the Fourth Proportional to 1,931.07, 2,665.36 and 1,268.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.07 : 2,665.36 = 1,268.82 : x
2. Step 2: Convert to fraction form
   1,931.07/2,665.36 = 1,268.82/x
3. Step 3: Cross multiply
   1,931.07x = 2,665.36 × 1,268.82
4. Step 4: Simplify right side
   1,931.07x = 3,381,855.73
5. Step 5: Solve for x
   x = 3,381,855.73/1,931.07
6. Step 6: Final answer
   x = 1,751.29