Finding the Fourth Proportional to 116,711.60, 160,868.38 and 82,676.40

Step by Step Solution

1. Step 1: Write the proportion equation
   116,711.60 : 160,868.38 = 82,676.40 : x
2. Step 2: Convert to fraction form
   116,711.60/160,868.38 = 82,676.40/x
3. Step 3: Cross multiply
   116,711.60x = 160,868.38 × 82,676.40
4. Step 4: Simplify right side
   116,711.60x = 13,300,018,532.23
5. Step 5: Solve for x
   x = 13,300,018,532.23/116,711.60
6. Step 6: Final answer
   x = 113,956.27