Finding the Fourth Proportional to 1,634.89, 2,256.54 and 936.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.89 : 2,256.54 = 936.67 : x
2. Step 2: Convert to fraction form
   1,634.89/2,256.54 = 936.67/x
3. Step 3: Cross multiply
   1,634.89x = 2,256.54 × 936.67
4. Step 4: Simplify right side
   1,634.89x = 2,113,633.32
5. Step 5: Solve for x
   x = 2,113,633.32/1,634.89
6. Step 6: Final answer
   x = 1,292.83