Finding the Fourth Proportional to 1,425.37, 1,967.48 and 835.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.37 : 1,967.48 = 835.89 : x
2. Step 2: Convert to fraction form
   1,425.37/1,967.48 = 835.89/x
3. Step 3: Cross multiply
   1,425.37x = 1,967.48 × 835.89
4. Step 4: Simplify right side
   1,425.37x = 1,644,596.86
5. Step 5: Solve for x
   x = 1,644,596.86/1,425.37
6. Step 6: Final answer
   x = 1,153.80