Finding the Fourth Proportional to 158,979.35, 238,320.79 and 53,724.71

Step by Step Solution

1. Step 1: Write the proportion equation
   158,979.35 : 238,320.79 = 53,724.71 : x
2. Step 2: Convert to fraction form
   158,979.35/238,320.79 = 53,724.71/x
3. Step 3: Cross multiply
   158,979.35x = 238,320.79 × 53,724.71
4. Step 4: Simplify right side
   158,979.35x = 12,803,715,329.72
5. Step 5: Solve for x
   x = 12,803,715,329.72/158,979.35
6. Step 6: Final answer
   x = 80,536.97