Finding the Fourth Proportional to 322,345.56, 444,810.83 and 186,388.31

Step by Step Solution

1. Step 1: Write the proportion equation
   322,345.56 : 444,810.83 = 186,388.31 : x
2. Step 2: Convert to fraction form
   322,345.56/444,810.83 = 186,388.31/x
3. Step 3: Cross multiply
   322,345.56x = 444,810.83 × 186,388.31
4. Step 4: Simplify right side
   322,345.56x = 82,907,539,053.48
5. Step 5: Solve for x
   x = 82,907,539,053.48/322,345.56
6. Step 6: Final answer
   x = 257,200.81