Finding the Fourth Proportional to 322,592.57, 445,049.88 and 186,601.27

Step by Step Solution

1. Step 1: Write the proportion equation
   322,592.57 : 445,049.88 = 186,601.27 : x
2. Step 2: Convert to fraction form
   322,592.57/445,049.88 = 186,601.27/x
3. Step 3: Cross multiply
   322,592.57x = 445,049.88 × 186,601.27
4. Step 4: Simplify right side
   322,592.57x = 83,046,870,596.10
5. Step 5: Solve for x
   x = 83,046,870,596.10/322,592.57
6. Step 6: Final answer
   x = 257,435.78