Finding the Fourth Proportional to 158,912.61, 238,469.37 and 88,837.89

Step by Step Solution

1. Step 1: Write the proportion equation
   158,912.61 : 238,469.37 = 88,837.89 : x
2. Step 2: Convert to fraction form
   158,912.61/238,469.37 = 88,837.89/x
3. Step 3: Cross multiply
   158,912.61x = 238,469.37 × 88,837.89
4. Step 4: Simplify right side
   158,912.61x = 21,185,115,660.43
5. Step 5: Solve for x
   x = 21,185,115,660.43/158,912.61
6. Step 6: Final answer
   x = 133,312.99