Finding the Fourth Proportional to 1,598.16, 2,205.41 and 889.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.16 : 2,205.41 = 889.98 : x
2. Step 2: Convert to fraction form
   1,598.16/2,205.41 = 889.98/x
3. Step 3: Cross multiply
   1,598.16x = 2,205.41 × 889.98
4. Step 4: Simplify right side
   1,598.16x = 1,962,766.34
5. Step 5: Solve for x
   x = 1,962,766.34/1,598.16
6. Step 6: Final answer
   x = 1,228.14