Finding the Fourth Proportional to 158,764.86, 238,144.59 and 74,505.42

Step by Step Solution

1. Step 1: Write the proportion equation
   158,764.86 : 238,144.59 = 74,505.42 : x
2. Step 2: Convert to fraction form
   158,764.86/238,144.59 = 74,505.42/x
3. Step 3: Cross multiply
   158,764.86x = 238,144.59 × 74,505.42
4. Step 4: Simplify right side
   158,764.86x = 17,743,062,698.68
5. Step 5: Solve for x
   x = 17,743,062,698.68/158,764.86
6. Step 6: Final answer
   x = 111,756.86