Finding the Fourth Proportional to 144,940.50, 217,408.18 and 59,532.87

Step by Step Solution

1. Step 1: Write the proportion equation
   144,940.50 : 217,408.18 = 59,532.87 : x
2. Step 2: Convert to fraction form
   144,940.50/217,408.18 = 59,532.87/x
3. Step 3: Cross multiply
   144,940.50x = 217,408.18 × 59,532.87
4. Step 4: Simplify right side
   144,940.50x = 12,942,932,916.88
5. Step 5: Solve for x
   x = 12,942,932,916.88/144,940.50
6. Step 6: Final answer
   x = 89,298.25