Finding the Fourth Proportional to 67,913.15, 101,976.30 and 57,519.41

Step by Step Solution

1. Step 1: Write the proportion equation
   67,913.15 : 101,976.30 = 57,519.41 : x
2. Step 2: Convert to fraction form
   67,913.15/101,976.30 = 57,519.41/x
3. Step 3: Cross multiply
   67,913.15x = 101,976.30 × 57,519.41
4. Step 4: Simplify right side
   67,913.15x = 5,865,616,100.10
5. Step 5: Solve for x
   x = 5,865,616,100.10/67,913.15
6. Step 6: Final answer
   x = 86,369.38