Finding the Fourth Proportional to 160,983.30, 222,145.82 and 89,357.68

Step by Step Solution

1. Step 1: Write the proportion equation
   160,983.30 : 222,145.82 = 89,357.68 : x
2. Step 2: Convert to fraction form
   160,983.30/222,145.82 = 89,357.68/x
3. Step 3: Cross multiply
   160,983.30x = 222,145.82 × 89,357.68
4. Step 4: Simplify right side
   160,983.30x = 19,850,435,096.90
5. Step 5: Solve for x
   x = 19,850,435,096.90/160,983.30
6. Step 6: Final answer
   x = 123,307.42