Finding the Fourth Proportional to 158,838.89, 219,171.69 and 90,844.92

Step by Step Solution

1. Step 1: Write the proportion equation
   158,838.89 : 219,171.69 = 90,844.92 : x
2. Step 2: Convert to fraction form
   158,838.89/219,171.69 = 90,844.92/x
3. Step 3: Cross multiply
   158,838.89x = 219,171.69 × 90,844.92
4. Step 4: Simplify right side
   158,838.89x = 19,910,634,644.31
5. Step 5: Solve for x
   x = 19,910,634,644.31/158,838.89
6. Step 6: Final answer
   x = 125,351.14