Finding the Fourth Proportional to 85,711.86, 128,650.71 and 41,369.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85,711.86 : 128,650.71 = 41,369.82 : x
2. Step 2: Convert to fraction form
   85,711.86/128,650.71 = 41,369.82/x
3. Step 3: Cross multiply
   85,711.86x = 128,650.71 × 41,369.82
4. Step 4: Simplify right side
   85,711.86x = 5,322,256,715.57
5. Step 5: Solve for x
   x = 5,322,256,715.57/85,711.86
6. Step 6: Final answer
   x = 62,094.75