Finding the Fourth Proportional to 150,159.45, 225,259.00 and 55,456.20

Step by Step Solution

1. Step 1: Write the proportion equation
   150,159.45 : 225,259.00 = 55,456.20 : x
2. Step 2: Convert to fraction form
   150,159.45/225,259.00 = 55,456.20/x
3. Step 3: Cross multiply
   150,159.45x = 225,259.00 × 55,456.20
4. Step 4: Simplify right side
   150,159.45x = 12,492,007,878.52
5. Step 5: Solve for x
   x = 12,492,007,878.52/150,159.45
6. Step 6: Final answer
   x = 83,191.62