Finding the Fourth Proportional to 115,290.76, 159,136.78 and 67,559.62

Step by Step Solution

1. Step 1: Write the proportion equation
   115,290.76 : 159,136.78 = 67,559.62 : x
2. Step 2: Convert to fraction form
   115,290.76/159,136.78 = 67,559.62/x
3. Step 3: Cross multiply
   115,290.76x = 159,136.78 × 67,559.62
4. Step 4: Simplify right side
   115,290.76x = 10,751,220,384.82
5. Step 5: Solve for x
   x = 10,751,220,384.82/115,290.76
6. Step 6: Final answer
   x = 93,253.10