Finding the Fourth Proportional to 111,656.70, 154,086.82 and 60,669.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,656.70 : 154,086.82 = 60,669.56 : x
2. Step 2: Convert to fraction form
   111,656.70/154,086.82 = 60,669.56/x
3. Step 3: Cross multiply
   111,656.70x = 154,086.82 × 60,669.56
4. Step 4: Simplify right side
   111,656.70x = 9,348,379,571.20
5. Step 5: Solve for x
   x = 9,348,379,571.20/111,656.70
6. Step 6: Final answer
   x = 83,724.30