Finding the Fourth Proportional to 111,956.24, 154,493.16 and 67,235.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,956.24 : 154,493.16 = 67,235.60 : x
2. Step 2: Convert to fraction form
   111,956.24/154,493.16 = 67,235.60/x
3. Step 3: Cross multiply
   111,956.24x = 154,493.16 × 67,235.60
4. Step 4: Simplify right side
   111,956.24x = 10,387,440,308.50
5. Step 5: Solve for x
   x = 10,387,440,308.50/111,956.24
6. Step 6: Final answer
   x = 92,781.25