Finding the Fourth Proportional to 1,635.52, 2,256.98 and 889.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.52 : 2,256.98 = 889.48 : x
2. Step 2: Convert to fraction form
   1,635.52/2,256.98 = 889.48/x
3. Step 3: Cross multiply
   1,635.52x = 2,256.98 × 889.48
4. Step 4: Simplify right side
   1,635.52x = 2,007,538.57
5. Step 5: Solve for x
   x = 2,007,538.57/1,635.52
6. Step 6: Final answer
   x = 1,227.46