Finding the Fourth Proportional to 1,634.51, 2,255.63 and 935.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.51 : 2,255.63 = 935.89 : x
2. Step 2: Convert to fraction form
   1,634.51/2,255.63 = 935.89/x
3. Step 3: Cross multiply
   1,634.51x = 2,255.63 × 935.89
4. Step 4: Simplify right side
   1,634.51x = 2,111,021.56
5. Step 5: Solve for x
   x = 2,111,021.56/1,634.51
6. Step 6: Final answer
   x = 1,291.53