Finding the Fourth Proportional to 111,462.48, 153,890.28 and 69,066

Step by Step Solution

1. Step 1: Write the proportion equation
   111,462.48 : 153,890.28 = 69,066 : x
2. Step 2: Convert to fraction form
   111,462.48/153,890.28 = 69,066/x
3. Step 3: Cross multiply
   111,462.48x = 153,890.28 × 69,066
4. Step 4: Simplify right side
   111,462.48x = 10,628,586,078.48
5. Step 5: Solve for x
   x = 10,628,586,078.48/111,462.48
6. Step 6: Final answer
   x = 95,355.73