Finding the Fourth Proportional to 111,711.48, 154,164.81 and 60,727.65

Step by Step Solution

1. Step 1: Write the proportion equation
   111,711.48 : 154,164.81 = 60,727.65 : x
2. Step 2: Convert to fraction form
   111,711.48/154,164.81 = 60,727.65/x
3. Step 3: Cross multiply
   111,711.48x = 154,164.81 × 60,727.65
4. Step 4: Simplify right side
   111,711.48x = 9,362,066,624.00
5. Step 5: Solve for x
   x = 9,362,066,624.00/111,711.48
6. Step 6: Final answer
   x = 83,805.77