Finding the Fourth Proportional to 116,550.27, 160,853.60 and 65,565.15

Step by Step Solution

1. Step 1: Write the proportion equation
   116,550.27 : 160,853.60 = 65,565.15 : x
2. Step 2: Convert to fraction form
   116,550.27/160,853.60 = 65,565.15/x
3. Step 3: Cross multiply
   116,550.27x = 160,853.60 × 65,565.15
4. Step 4: Simplify right side
   116,550.27x = 10,546,390,412.04
5. Step 5: Solve for x
   x = 10,546,390,412.04/116,550.27
6. Step 6: Final answer
   x = 90,487.91