Finding the Fourth Proportional to 324,061.62, 447,133.39 and 188,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   324,061.62 : 447,133.39 = 188,016.72 : x
2. Step 2: Convert to fraction form
   324,061.62/447,133.39 = 188,016.72/x
3. Step 3: Cross multiply
   324,061.62x = 447,133.39 × 188,016.72
4. Step 4: Simplify right side
   324,061.62x = 84,068,553,390.28
5. Step 5: Solve for x
   x = 84,068,553,390.28/324,061.62
6. Step 6: Final answer
   x = 259,421.51