Finding the Fourth Proportional to 116,569.18, 160,865.18 and 65,581.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,569.18 : 160,865.18 = 65,581.96 : x
2. Step 2: Convert to fraction form
   116,569.18/160,865.18 = 65,581.96/x
3. Step 3: Cross multiply
   116,569.18x = 160,865.18 × 65,581.96
4. Step 4: Simplify right side
   116,569.18x = 10,549,853,800.15
5. Step 5: Solve for x
   x = 10,549,853,800.15/116,569.18
6. Step 6: Final answer
   x = 90,502.94