Finding the Fourth Proportional to 1,713.45, 2,560.16 and 1,266.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.45 : 2,560.16 = 1,266.82 : x
2. Step 2: Convert to fraction form
   1,713.45/2,560.16 = 1,266.82/x
3. Step 3: Cross multiply
   1,713.45x = 2,560.16 × 1,266.82
4. Step 4: Simplify right side
   1,713.45x = 3,243,265.93
5. Step 5: Solve for x
   x = 3,243,265.93/1,713.45
6. Step 6: Final answer
   x = 1,892.82