Finding the Fourth Proportional to 1,603.30, 2,212.46 and 895.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.30 : 2,212.46 = 895.12 : x
2. Step 2: Convert to fraction form
   1,603.30/2,212.46 = 895.12/x
3. Step 3: Cross multiply
   1,603.30x = 2,212.46 × 895.12
4. Step 4: Simplify right side
   1,603.30x = 1,980,417.20
5. Step 5: Solve for x
   x = 1,980,417.20/1,603.30
6. Step 6: Final answer
   x = 1,235.21