Finding the Fourth Proportional to 115,613.32, 173,443.38 and 65,717.32

Step by Step Solution

1. Step 1: Write the proportion equation
   115,613.32 : 173,443.38 = 65,717.32 : x
2. Step 2: Convert to fraction form
   115,613.32/173,443.38 = 65,717.32/x
3. Step 3: Cross multiply
   115,613.32x = 173,443.38 × 65,717.32
4. Step 4: Simplify right side
   115,613.32x = 11,398,234,105.34
5. Step 5: Solve for x
   x = 11,398,234,105.34/115,613.32
6. Step 6: Final answer
   x = 98,589.28