Finding the Fourth Proportional to 116,391.18, 160,581.51 and 67,981.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,391.18 : 160,581.51 = 67,981.98 : x
2. Step 2: Convert to fraction form
   116,391.18/160,581.51 = 67,981.98/x
3. Step 3: Cross multiply
   116,391.18x = 160,581.51 × 67,981.98
4. Step 4: Simplify right side
   116,391.18x = 10,916,649,001.19
5. Step 5: Solve for x
   x = 10,916,649,001.19/116,391.18
6. Step 6: Final answer
   x = 93,792.75