Finding the Fourth Proportional to 150,078.56, 225,151.12 and 56,585.12

Step by Step Solution

1. Step 1: Write the proportion equation
   150,078.56 : 225,151.12 = 56,585.12 : x
2. Step 2: Convert to fraction form
   150,078.56/225,151.12 = 56,585.12/x
3. Step 3: Cross multiply
   150,078.56x = 225,151.12 × 56,585.12
4. Step 4: Simplify right side
   150,078.56x = 12,740,203,143.33
5. Step 5: Solve for x
   x = 12,740,203,143.33/150,078.56
6. Step 6: Final answer
   x = 84,890.23