Finding the Fourth Proportional to 116,140.25, 160,103.87 and 82,088.66

Step by Step Solution

1. Step 1: Write the proportion equation
   116,140.25 : 160,103.87 = 82,088.66 : x
2. Step 2: Convert to fraction form
   116,140.25/160,103.87 = 82,088.66/x
3. Step 3: Cross multiply
   116,140.25x = 160,103.87 × 82,088.66
4. Step 4: Simplify right side
   116,140.25x = 13,142,710,938.15
5. Step 5: Solve for x
   x = 13,142,710,938.15/116,140.25
6. Step 6: Final answer
   x = 113,162.42