Finding the Fourth Proportional to 158,156.09, 236,971.69 and 111,310.55

Step by Step Solution

1. Step 1: Write the proportion equation
   158,156.09 : 236,971.69 = 111,310.55 : x
2. Step 2: Convert to fraction form
   158,156.09/236,971.69 = 111,310.55/x
3. Step 3: Cross multiply
   158,156.09x = 236,971.69 × 111,310.55
4. Step 4: Simplify right side
   158,156.09x = 26,377,449,148.33
5. Step 5: Solve for x
   x = 26,377,449,148.33/158,156.09
6. Step 6: Final answer
   x = 166,781.12