Finding the Fourth Proportional to 158,156.85, 236,972.82 and 111,311.31

Step by Step Solution

1. Step 1: Write the proportion equation
   158,156.85 : 236,972.82 = 111,311.31 : x
2. Step 2: Convert to fraction form
   158,156.85/236,972.82 = 111,311.31/x
3. Step 3: Cross multiply
   158,156.85x = 236,972.82 × 111,311.31
4. Step 4: Simplify right side
   158,156.85x = 26,377,755,028.59
5. Step 5: Solve for x
   x = 26,377,755,028.59/158,156.85
6. Step 6: Final answer
   x = 166,782.25