Finding the Fourth Proportional to 111,844.37, 154,340.60 and 60,857.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,844.37 : 154,340.60 = 60,857.30 : x
2. Step 2: Convert to fraction form
   111,844.37/154,340.60 = 60,857.30/x
3. Step 3: Cross multiply
   111,844.37x = 154,340.60 × 60,857.30
4. Step 4: Simplify right side
   111,844.37x = 9,392,751,120.39
5. Step 5: Solve for x
   x = 9,392,751,120.39/111,844.37
6. Step 6: Final answer
   x = 83,980.55