Finding the Fourth Proportional to 91,210.25, 136,815.83 and 41,231.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91,210.25 : 136,815.83 = 41,231.82 : x
2. Step 2: Convert to fraction form
   91,210.25/136,815.83 = 41,231.82/x
3. Step 3: Cross multiply
   91,210.25x = 136,815.83 × 41,231.82
4. Step 4: Simplify right side
   91,210.25x = 5,641,165,469.55
5. Step 5: Solve for x
   x = 5,641,165,469.55/91,210.25
6. Step 6: Final answer
   x = 61,847.94