Finding the Fourth Proportional to 115,507.58, 159,401.79 and 67,761.74

Step by Step Solution

1. Step 1: Write the proportion equation
   115,507.58 : 159,401.79 = 67,761.74 : x
2. Step 2: Convert to fraction form
   115,507.58/159,401.79 = 67,761.74/x
3. Step 3: Cross multiply
   115,507.58x = 159,401.79 × 67,761.74
4. Step 4: Simplify right side
   115,507.58x = 10,801,342,649.51
5. Step 5: Solve for x
   x = 10,801,342,649.51/115,507.58
6. Step 6: Final answer
   x = 93,511.98