Finding the Fourth Proportional to 116,568.96, 160,931.52 and 76,940.16

Step by Step Solution

1. Step 1: Write the proportion equation
   116,568.96 : 160,931.52 = 76,940.16 : x
2. Step 2: Convert to fraction form
   116,568.96/160,931.52 = 76,940.16/x
3. Step 3: Cross multiply
   116,568.96x = 160,931.52 × 76,940.16
4. Step 4: Simplify right side
   116,568.96x = 12,382,096,897.84
5. Step 5: Solve for x
   x = 12,382,096,897.84/116,568.96
6. Step 6: Final answer
   x = 106,221.22