Finding the Fourth Proportional to 115,407.96, 159,289.56 and 67,676.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,407.96 : 159,289.56 = 67,676.69 : x
2. Step 2: Convert to fraction form
   115,407.96/159,289.56 = 67,676.69/x
3. Step 3: Cross multiply
   115,407.96x = 159,289.56 × 67,676.69
4. Step 4: Simplify right side
   115,407.96x = 10,780,189,375.91
5. Step 5: Solve for x
   x = 10,780,189,375.91/115,407.96
6. Step 6: Final answer
   x = 93,409.41