Finding the Fourth Proportional to 111,756.33, 154,221.39 and 60,770.07

Step by Step Solution

1. Step 1: Write the proportion equation
   111,756.33 : 154,221.39 = 60,770.07 : x
2. Step 2: Convert to fraction form
   111,756.33/154,221.39 = 60,770.07/x
3. Step 3: Cross multiply
   111,756.33x = 154,221.39 × 60,770.07
4. Step 4: Simplify right side
   111,756.33x = 9,372,044,665.80
5. Step 5: Solve for x
   x = 9,372,044,665.80/111,756.33
6. Step 6: Final answer
   x = 83,861.42