Finding the Fourth Proportional to 322,627.37, 445,281.50 and 186,736.25

Step by Step Solution

1. Step 1: Write the proportion equation
   322,627.37 : 445,281.50 = 186,736.25 : x
2. Step 2: Convert to fraction form
   322,627.37/445,281.50 = 186,736.25/x
3. Step 3: Cross multiply
   322,627.37x = 445,281.50 × 186,736.25
4. Step 4: Simplify right side
   322,627.37x = 83,150,194,344.29
5. Step 5: Solve for x
   x = 83,150,194,344.29/322,627.37
6. Step 6: Final answer
   x = 257,728.28