Finding the Fourth Proportional to 1,716.78, 2,369.14 and 930.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716.78 : 2,369.14 = 930.82 : x
2. Step 2: Convert to fraction form
   1,716.78/2,369.14 = 930.82/x
3. Step 3: Cross multiply
   1,716.78x = 2,369.14 × 930.82
4. Step 4: Simplify right side
   1,716.78x = 2,205,242.89
5. Step 5: Solve for x
   x = 2,205,242.89/1,716.78
6. Step 6: Final answer
   x = 1,284.52