Finding the Fourth Proportional to 111,028.50, 153,221.76 and 60,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,028.50 : 153,221.76 = 60,727.50 : x
2. Step 2: Convert to fraction form
   111,028.50/153,221.76 = 60,727.50/x
3. Step 3: Cross multiply
   111,028.50x = 153,221.76 × 60,727.50
4. Step 4: Simplify right side
   111,028.50x = 9,304,774,430.40
5. Step 5: Solve for x
   x = 9,304,774,430.40/111,028.50
6. Step 6: Final answer
   x = 83,805.28