Finding the Fourth Proportional to 116,139.75, 160,103.18 and 82,088.16

Step by Step Solution

1. Step 1: Write the proportion equation
   116,139.75 : 160,103.18 = 82,088.16 : x
2. Step 2: Convert to fraction form
   116,139.75/160,103.18 = 82,088.16/x
3. Step 3: Cross multiply
   116,139.75x = 160,103.18 × 82,088.16
4. Step 4: Simplify right side
   116,139.75x = 13,142,575,456.35
5. Step 5: Solve for x
   x = 13,142,575,456.35/116,139.75
6. Step 6: Final answer
   x = 113,161.73