Finding the Fourth Proportional to 109,401.54, 151,011.36 and 68,040.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,401.54 : 151,011.36 = 68,040.96 : x
2. Step 2: Convert to fraction form
   109,401.54/151,011.36 = 68,040.96/x
3. Step 3: Cross multiply
   109,401.54x = 151,011.36 × 68,040.96
4. Step 4: Simplify right side
   109,401.54x = 10,274,957,905.31
5. Step 5: Solve for x
   x = 10,274,957,905.31/109,401.54
6. Step 6: Final answer
   x = 93,919.68