Finding the Fourth Proportional to 111,129.24, 153,355.50 and 60,825

Step by Step Solution

1. Step 1: Write the proportion equation
   111,129.24 : 153,355.50 = 60,825 : x
2. Step 2: Convert to fraction form
   111,129.24/153,355.50 = 60,825/x
3. Step 3: Cross multiply
   111,129.24x = 153,355.50 × 60,825
4. Step 4: Simplify right side
   111,129.24x = 9,327,848,287.50
5. Step 5: Solve for x
   x = 9,327,848,287.50/111,129.24
6. Step 6: Final answer
   x = 83,936.94