Finding the Fourth Proportional to 316,105.50, 474,059.82 and 105,694.26

Step by Step Solution

1. Step 1: Write the proportion equation
   316,105.50 : 474,059.82 = 105,694.26 : x
2. Step 2: Convert to fraction form
   316,105.50/474,059.82 = 105,694.26/x
3. Step 3: Cross multiply
   316,105.50x = 474,059.82 × 105,694.26
4. Step 4: Simplify right side
   316,105.50x = 50,105,401,870.63
5. Step 5: Solve for x
   x = 50,105,401,870.63/316,105.50
6. Step 6: Final answer
   x = 158,508.48