Finding the Fourth Proportional to 124,142.92, 185,855.31 and 111,323.45

Step by Step Solution

1. Step 1: Write the proportion equation
   124,142.92 : 185,855.31 = 111,323.45 : x
2. Step 2: Convert to fraction form
   124,142.92/185,855.31 = 111,323.45/x
3. Step 3: Cross multiply
   124,142.92x = 185,855.31 × 111,323.45
4. Step 4: Simplify right side
   124,142.92x = 20,690,054,310.02
5. Step 5: Solve for x
   x = 20,690,054,310.02/124,142.92
6. Step 6: Final answer
   x = 166,663.18