Finding the Fourth Proportional to 368,636.27, 553,019.20 and 152,494.25

Step by Step Solution

1. Step 1: Write the proportion equation
   368,636.27 : 553,019.20 = 152,494.25 : x
2. Step 2: Convert to fraction form
   368,636.27/553,019.20 = 152,494.25/x
3. Step 3: Cross multiply
   368,636.27x = 553,019.20 × 152,494.25
4. Step 4: Simplify right side
   368,636.27x = 84,332,244,993.27
5. Step 5: Solve for x
   x = 84,332,244,993.27/368,636.27
6. Step 6: Final answer
   x = 228,768.17