Finding the Fourth Proportional to 150,285.33, 225,443.05 and 55,540.42

Step by Step Solution

1. Step 1: Write the proportion equation
   150,285.33 : 225,443.05 = 55,540.42 : x
2. Step 2: Convert to fraction form
   150,285.33/225,443.05 = 55,540.42/x
3. Step 3: Cross multiply
   150,285.33x = 225,443.05 × 55,540.42
4. Step 4: Simplify right side
   150,285.33x = 12,521,200,980.62
5. Step 5: Solve for x
   x = 12,521,200,980.62/150,285.33
6. Step 6: Final answer
   x = 83,316.19