Finding the Fourth Proportional to 1,642.59, 2,266.71 and 896.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.59 : 2,266.71 = 896.52 : x
2. Step 2: Convert to fraction form
   1,642.59/2,266.71 = 896.52/x
3. Step 3: Cross multiply
   1,642.59x = 2,266.71 × 896.52
4. Step 4: Simplify right side
   1,642.59x = 2,032,150.85
5. Step 5: Solve for x
   x = 2,032,150.85/1,642.59
6. Step 6: Final answer
   x = 1,237.16