Finding the Fourth Proportional to 115,379.78, 159,226.17 and 67,667.54

Step by Step Solution

1. Step 1: Write the proportion equation
   115,379.78 : 159,226.17 = 67,667.54 : x
2. Step 2: Convert to fraction form
   115,379.78/159,226.17 = 67,667.54/x
3. Step 3: Cross multiply
   115,379.78x = 159,226.17 × 67,667.54
4. Step 4: Simplify right side
   115,379.78x = 10,774,443,227.52
5. Step 5: Solve for x
   x = 10,774,443,227.52/115,379.78
6. Step 6: Final answer
   x = 93,382.42