Finding the Fourth Proportional to 116,236.90, 160,423.83 and 65,270.71

Step by Step Solution

1. Step 1: Write the proportion equation
   116,236.90 : 160,423.83 = 65,270.71 : x
2. Step 2: Convert to fraction form
   116,236.90/160,423.83 = 65,270.71/x
3. Step 3: Cross multiply
   116,236.90x = 160,423.83 × 65,270.71
4. Step 4: Simplify right side
   116,236.90x = 10,470,976,156.55
5. Step 5: Solve for x
   x = 10,470,976,156.55/116,236.90
6. Step 6: Final answer
   x = 90,083.07