Finding the Fourth Proportional to 85,584.34, 128,269.59 and 41,199.22

Step by Step Solution

1. Step 1: Write the proportion equation
   85,584.34 : 128,269.59 = 41,199.22 : x
2. Step 2: Convert to fraction form
   85,584.34/128,269.59 = 41,199.22/x
3. Step 3: Cross multiply
   85,584.34x = 128,269.59 × 41,199.22
4. Step 4: Simplify right side
   85,584.34x = 5,284,607,057.72
5. Step 5: Solve for x
   x = 5,284,607,057.72/85,584.34
6. Step 6: Final answer
   x = 61,747.36