Finding the Fourth Proportional to 1,448.82, 1,999.08 and 889.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.82 : 1,999.08 = 889.38 : x
2. Step 2: Convert to fraction form
   1,448.82/1,999.08 = 889.38/x
3. Step 3: Cross multiply
   1,448.82x = 1,999.08 × 889.38
4. Step 4: Simplify right side
   1,448.82x = 1,777,941.77
5. Step 5: Solve for x
   x = 1,777,941.77/1,448.82
6. Step 6: Final answer
   x = 1,227.17