Finding the Fourth Proportional to 228,601.47, 315,401.78 and 147,901.17

Step by Step Solution

1. Step 1: Write the proportion equation
   228,601.47 : 315,401.78 = 147,901.17 : x
2. Step 2: Convert to fraction form
   228,601.47/315,401.78 = 147,901.17/x
3. Step 3: Cross multiply
   228,601.47x = 315,401.78 × 147,901.17
4. Step 4: Simplify right side
   228,601.47x = 46,648,293,834.59
5. Step 5: Solve for x
   x = 46,648,293,834.59/228,601.47
6. Step 6: Final answer
   x = 204,059.46