Finding the Fourth Proportional to 329,499.86, 494,288.73 and 116,223.28

Step by Step Solution

1. Step 1: Write the proportion equation
   329,499.86 : 494,288.73 = 116,223.28 : x
2. Step 2: Convert to fraction form
   329,499.86/494,288.73 = 116,223.28/x
3. Step 3: Cross multiply
   329,499.86x = 494,288.73 × 116,223.28
4. Step 4: Simplify right side
   329,499.86x = 57,447,856,231.91
5. Step 5: Solve for x
   x = 57,447,856,231.91/329,499.86
6. Step 6: Final answer
   x = 174,348.65