Finding the Fourth Proportional to 1,642.37, 2,266.52 and 896.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.37 : 2,266.52 = 896.39 : x
2. Step 2: Convert to fraction form
   1,642.37/2,266.52 = 896.39/x
3. Step 3: Cross multiply
   1,642.37x = 2,266.52 × 896.39
4. Step 4: Simplify right side
   1,642.37x = 2,031,685.86
5. Step 5: Solve for x
   x = 2,031,685.86/1,642.37
6. Step 6: Final answer
   x = 1,237.05