Finding the Fourth Proportional to 1,421.83, 1,961.94 and 832.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421.83 : 1,961.94 = 832.33 : x
2. Step 2: Convert to fraction form
   1,421.83/1,961.94 = 832.33/x
3. Step 3: Cross multiply
   1,421.83x = 1,961.94 × 832.33
4. Step 4: Simplify right side
   1,421.83x = 1,632,981.52
5. Step 5: Solve for x
   x = 1,632,981.52/1,421.83
6. Step 6: Final answer
   x = 1,148.51