Finding the Fourth Proportional to 158,990.56, 238,301.52 and 149,774.56

Step by Step Solution

1. Step 1: Write the proportion equation
   158,990.56 : 238,301.52 = 149,774.56 : x
2. Step 2: Convert to fraction form
   158,990.56/238,301.52 = 149,774.56/x
3. Step 3: Cross multiply
   158,990.56x = 238,301.52 × 149,774.56
4. Step 4: Simplify right side
   158,990.56x = 35,691,505,305.33
5. Step 5: Solve for x
   x = 35,691,505,305.33/158,990.56
6. Step 6: Final answer
   x = 224,488.20