Finding the Fourth Proportional to 85,949.05, 128,945.87 and 32,641.94

Step by Step Solution

1. Step 1: Write the proportion equation
   85,949.05 : 128,945.87 = 32,641.94 : x
2. Step 2: Convert to fraction form
   85,949.05/128,945.87 = 32,641.94/x
3. Step 3: Cross multiply
   85,949.05x = 128,945.87 × 32,641.94
4. Step 4: Simplify right side
   85,949.05x = 4,209,043,091.64
5. Step 5: Solve for x
   x = 4,209,043,091.64/85,949.05
6. Step 6: Final answer
   x = 48,971.37