Finding the Fourth Proportional to 85,826.37, 128,767.50 and 41,458.22

Step by Step Solution

1. Step 1: Write the proportion equation
   85,826.37 : 128,767.50 = 41,458.22 : x
2. Step 2: Convert to fraction form
   85,826.37/128,767.50 = 41,458.22/x
3. Step 3: Cross multiply
   85,826.37x = 128,767.50 × 41,458.22
4. Step 4: Simplify right side
   85,826.37x = 5,338,471,343.85
5. Step 5: Solve for x
   x = 5,338,471,343.85/85,826.37
6. Step 6: Final answer
   x = 62,200.83