Finding the Fourth Proportional to 59,716.37, 89,589.94 and 42,868.91

Step by Step Solution

1. Step 1: Write the proportion equation
   59,716.37 : 89,589.94 = 42,868.91 : x
2. Step 2: Convert to fraction form
   59,716.37/89,589.94 = 42,868.91/x
3. Step 3: Cross multiply
   59,716.37x = 89,589.94 × 42,868.91
4. Step 4: Simplify right side
   59,716.37x = 3,840,622,626.82
5. Step 5: Solve for x
   x = 3,840,622,626.82/59,716.37
6. Step 6: Final answer
   x = 64,314.41