Finding the Fourth Proportional to 111,046.38, 153,242.10 and 68,019.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,046.38 : 153,242.10 = 68,019.18 : x
2. Step 2: Convert to fraction form
   111,046.38/153,242.10 = 68,019.18/x
3. Step 3: Cross multiply
   111,046.38x = 153,242.10 × 68,019.18
4. Step 4: Simplify right side
   111,046.38x = 10,423,401,983.48
5. Step 5: Solve for x
   x = 10,423,401,983.48/111,046.38
6. Step 6: Final answer
   x = 93,865.30