Finding the Fourth Proportional to 162,200.16, 223,855.25 and 134,928.09

Step by Step Solution

1. Step 1: Write the proportion equation
   162,200.16 : 223,855.25 = 134,928.09 : x
2. Step 2: Convert to fraction form
   162,200.16/223,855.25 = 134,928.09/x
3. Step 3: Cross multiply
   162,200.16x = 223,855.25 × 134,928.09
4. Step 4: Simplify right side
   162,200.16x = 30,204,360,644.33
5. Step 5: Solve for x
   x = 30,204,360,644.33/162,200.16
6. Step 6: Final answer
   x = 186,216.59