Finding the Fourth Proportional to 1,435.05, 1,981.73 and 963.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.05 : 1,981.73 = 963.32 : x
2. Step 2: Convert to fraction form
   1,435.05/1,981.73 = 963.32/x
3. Step 3: Cross multiply
   1,435.05x = 1,981.73 × 963.32
4. Step 4: Simplify right side
   1,435.05x = 1,909,032.64
5. Step 5: Solve for x
   x = 1,909,032.64/1,435.05
6. Step 6: Final answer
   x = 1,330.29