Finding the Fourth Proportional to 115,544.16, 159,443.82 and 67,138.56

Step by Step Solution

1. Step 1: Write the proportion equation
   115,544.16 : 159,443.82 = 67,138.56 : x
2. Step 2: Convert to fraction form
   115,544.16/159,443.82 = 67,138.56/x
3. Step 3: Cross multiply
   115,544.16x = 159,443.82 × 67,138.56
4. Step 4: Simplify right side
   115,544.16x = 10,704,828,475.70
5. Step 5: Solve for x
   x = 10,704,828,475.70/115,544.16
6. Step 6: Final answer
   x = 92,647.08