Finding the Fourth Proportional to 1,464.97, 2,021.72 and 835.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.97 : 2,021.72 = 835.55 : x
2. Step 2: Convert to fraction form
   1,464.97/2,021.72 = 835.55/x
3. Step 3: Cross multiply
   1,464.97x = 2,021.72 × 835.55
4. Step 4: Simplify right side
   1,464.97x = 1,689,248.15
5. Step 5: Solve for x
   x = 1,689,248.15/1,464.97
6. Step 6: Final answer
   x = 1,153.09