Finding the Fourth Proportional to 150,616.18, 225,925.89 and 45,436.06

Step by Step Solution

1. Step 1: Write the proportion equation
   150,616.18 : 225,925.89 = 45,436.06 : x
2. Step 2: Convert to fraction form
   150,616.18/225,925.89 = 45,436.06/x
3. Step 3: Cross multiply
   150,616.18x = 225,925.89 × 45,436.06
4. Step 4: Simplify right side
   150,616.18x = 10,265,182,293.59
5. Step 5: Solve for x
   x = 10,265,182,293.59/150,616.18
6. Step 6: Final answer
   x = 68,154.58