Finding the Fourth Proportional to 56,629.89, 84,864.24 and 41,721.57

Step by Step Solution

1. Step 1: Write the proportion equation
   56,629.89 : 84,864.24 = 41,721.57 : x
2. Step 2: Convert to fraction form
   56,629.89/84,864.24 = 41,721.57/x
3. Step 3: Cross multiply
   56,629.89x = 84,864.24 × 41,721.57
4. Step 4: Simplify right side
   56,629.89x = 3,540,669,329.66
5. Step 5: Solve for x
   x = 3,540,669,329.66/56,629.89
6. Step 6: Final answer
   x = 62,522.98