Finding the Fourth Proportional to 85,704.25, 128,639.52 and 41,362.24

Step by Step Solution

1. Step 1: Write the proportion equation
   85,704.25 : 128,639.52 = 41,362.24 : x
2. Step 2: Convert to fraction form
   85,704.25/128,639.52 = 41,362.24/x
3. Step 3: Cross multiply
   85,704.25x = 128,639.52 × 41,362.24
4. Step 4: Simplify right side
   85,704.25x = 5,320,818,699.72
5. Step 5: Solve for x
   x = 5,320,818,699.72/85,704.25
6. Step 6: Final answer
   x = 62,083.49