Finding the Fourth Proportional to 85,946.10, 128,951.55 and 41,612.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,946.10 : 128,951.55 = 41,612.10 : x
2. Step 2: Convert to fraction form
   85,946.10/128,951.55 = 41,612.10/x
3. Step 3: Cross multiply
   85,946.10x = 128,951.55 × 41,612.10
4. Step 4: Simplify right side
   85,946.10x = 5,365,944,793.76
5. Step 5: Solve for x
   x = 5,365,944,793.76/85,946.10
6. Step 6: Final answer
   x = 62,433.84