Finding the Fourth Proportional to 1,642.52, 2,266.59 and 896.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.52 : 2,266.59 = 896.33 : x
2. Step 2: Convert to fraction form
   1,642.52/2,266.59 = 896.33/x
3. Step 3: Cross multiply
   1,642.52x = 2,266.59 × 896.33
4. Step 4: Simplify right side
   1,642.52x = 2,031,615.34
5. Step 5: Solve for x
   x = 2,031,615.34/1,642.52
6. Step 6: Final answer
   x = 1,236.89