Finding the Fourth Proportional to 108,401.35, 149,576.02 and 68,086.40

Step by Step Solution

1. Step 1: Write the proportion equation
   108,401.35 : 149,576.02 = 68,086.40 : x
2. Step 2: Convert to fraction form
   108,401.35/149,576.02 = 68,086.40/x
3. Step 3: Cross multiply
   108,401.35x = 149,576.02 × 68,086.40
4. Step 4: Simplify right side
   108,401.35x = 10,184,091,639.82
5. Step 5: Solve for x
   x = 10,184,091,639.82/108,401.35
6. Step 6: Final answer
   x = 93,948.02