Finding the Fourth Proportional to 1,421.67, 1,962.03 and 832.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421.67 : 1,962.03 = 832.41 : x
2. Step 2: Convert to fraction form
   1,421.67/1,962.03 = 832.41/x
3. Step 3: Cross multiply
   1,421.67x = 1,962.03 × 832.41
4. Step 4: Simplify right side
   1,421.67x = 1,633,213.39
5. Step 5: Solve for x
   x = 1,633,213.39/1,421.67
6. Step 6: Final answer
   x = 1,148.80