Finding the Fourth Proportional to 329,583.59, 494,354.42 and 105,105.05

Step by Step Solution

1. Step 1: Write the proportion equation
   329,583.59 : 494,354.42 = 105,105.05 : x
2. Step 2: Convert to fraction form
   329,583.59/494,354.42 = 105,105.05/x
3. Step 3: Cross multiply
   329,583.59x = 494,354.42 × 105,105.05
4. Step 4: Simplify right side
   329,583.59x = 51,959,146,031.82
5. Step 5: Solve for x
   x = 51,959,146,031.82/329,583.59
6. Step 6: Final answer
   x = 157,650.89