Finding the Fourth Proportional to 1,445.49, 2,165.00 and 896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.49 : 2,165.00 = 896.72 : x
2. Step 2: Convert to fraction form
   1,445.49/2,165.00 = 896.72/x
3. Step 3: Cross multiply
   1,445.49x = 2,165.00 × 896.72
4. Step 4: Simplify right side
   1,445.49x = 1,941,383.49
5. Step 5: Solve for x
   x = 1,941,383.49/1,445.49
6. Step 6: Final answer
   x = 1,343.06