Finding the Fourth Proportional to 85,850.16, 128,662.22 and 41,395.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,850.16 : 128,662.22 = 41,395.72 : x
2. Step 2: Convert to fraction form
   85,850.16/128,662.22 = 41,395.72/x
3. Step 3: Cross multiply
   85,850.16x = 128,662.22 × 41,395.72
4. Step 4: Simplify right side
   85,850.16x = 5,326,065,233.70
5. Step 5: Solve for x
   x = 5,326,065,233.70/85,850.16
6. Step 6: Final answer
   x = 62,039.08