Finding the Fourth Proportional to 144,981.69, 217,401.39 and 59,577.09

Step by Step Solution

1. Step 1: Write the proportion equation
   144,981.69 : 217,401.39 = 59,577.09 : x
2. Step 2: Convert to fraction form
   144,981.69/217,401.39 = 59,577.09/x
3. Step 3: Cross multiply
   144,981.69x = 217,401.39 × 59,577.09
4. Step 4: Simplify right side
   144,981.69x = 12,952,142,178.16
5. Step 5: Solve for x
   x = 12,952,142,178.16/144,981.69
6. Step 6: Final answer
   x = 89,336.40