Finding the Fourth Proportional to 329,996.70, 495,003.59 and 105,356.94

Step by Step Solution

1. Step 1: Write the proportion equation
   329,996.70 : 495,003.59 = 105,356.94 : x
2. Step 2: Convert to fraction form
   329,996.70/495,003.59 = 105,356.94/x
3. Step 3: Cross multiply
   329,996.70x = 495,003.59 × 105,356.94
4. Step 4: Simplify right side
   329,996.70x = 52,152,063,004.63
5. Step 5: Solve for x
   x = 52,152,063,004.63/329,996.70
6. Step 6: Final answer
   x = 158,038.13