Finding the Fourth Proportional to 111,756.42, 154,224.66 and 60,768.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,756.42 : 154,224.66 = 60,768.78 : x
2. Step 2: Convert to fraction form
   111,756.42/154,224.66 = 60,768.78/x
3. Step 3: Cross multiply
   111,756.42x = 154,224.66 × 60,768.78
4. Step 4: Simplify right side
   111,756.42x = 9,372,045,062.85
5. Step 5: Solve for x
   x = 9,372,045,062.85/111,756.42
6. Step 6: Final answer
   x = 83,861.36