Finding the Fourth Proportional to 111,722.78, 154,178.10 and 60,735.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,722.78 : 154,178.10 = 60,735.92 : x
2. Step 2: Convert to fraction form
   111,722.78/154,178.10 = 60,735.92/x
3. Step 3: Cross multiply
   111,722.78x = 154,178.10 × 60,735.92
4. Step 4: Simplify right side
   111,722.78x = 9,364,147,976.46
5. Step 5: Solve for x
   x = 9,364,147,976.46/111,722.78
6. Step 6: Final answer
   x = 83,815.92