Finding the Fourth Proportional to 2,322.95, 3,485.03 and 862.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.95 : 3,485.03 = 862.25 : x
2. Step 2: Convert to fraction form
   2,322.95/3,485.03 = 862.25/x
3. Step 3: Cross multiply
   2,322.95x = 3,485.03 × 862.25
4. Step 4: Simplify right side
   2,322.95x = 3,004,945.38
5. Step 5: Solve for x
   x = 3,004,945.38/2,322.95
6. Step 6: Final answer
   x = 1,293.59