Finding the Fourth Proportional to 57,868.74, 86,662.98 and 40,049.51

Step by Step Solution

1. Step 1: Write the proportion equation
   57,868.74 : 86,662.98 = 40,049.51 : x
2. Step 2: Convert to fraction form
   57,868.74/86,662.98 = 40,049.51/x
3. Step 3: Cross multiply
   57,868.74x = 86,662.98 × 40,049.51
4. Step 4: Simplify right side
   57,868.74x = 3,470,809,450.82
5. Step 5: Solve for x
   x = 3,470,809,450.82/57,868.74
6. Step 6: Final answer
   x = 59,977.28