Finding the Fourth Proportional to 85,565.34, 128,241 and 41,180.22

Step by Step Solution

1. Step 1: Write the proportion equation
   85,565.34 : 128,241 = 41,180.22 : x
2. Step 2: Convert to fraction form
   85,565.34/128,241 = 41,180.22/x
3. Step 3: Cross multiply
   85,565.34x = 128,241 × 41,180.22
4. Step 4: Simplify right side
   85,565.34x = 5,280,992,593.02
5. Step 5: Solve for x
   x = 5,280,992,593.02/85,565.34
6. Step 6: Final answer
   x = 61,718.83