Finding the Fourth Proportional to 111,942.34, 154,362.04 and 86,452.85

Step by Step Solution

1. Step 1: Write the proportion equation
   111,942.34 : 154,362.04 = 86,452.85 : x
2. Step 2: Convert to fraction form
   111,942.34/154,362.04 = 86,452.85/x
3. Step 3: Cross multiply
   111,942.34x = 154,362.04 × 86,452.85
4. Step 4: Simplify right side
   111,942.34x = 13,345,038,459.59
5. Step 5: Solve for x
   x = 13,345,038,459.59/111,942.34
6. Step 6: Final answer
   x = 119,213.51