Finding the Fourth Proportional to 115,981.98, 160,052.52 and 67,580.91

Step by Step Solution

1. Step 1: Write the proportion equation
   115,981.98 : 160,052.52 = 67,580.91 : x
2. Step 2: Convert to fraction form
   115,981.98/160,052.52 = 67,580.91/x
3. Step 3: Cross multiply
   115,981.98x = 160,052.52 × 67,580.91
4. Step 4: Simplify right side
   115,981.98x = 10,816,494,949.39
5. Step 5: Solve for x
   x = 10,816,494,949.39/115,981.98
6. Step 6: Final answer
   x = 93,260.13