Finding the Fourth Proportional to 115,400.70, 159,189.00 and 67,644.82

Step by Step Solution

1. Step 1: Write the proportion equation
   115,400.70 : 159,189.00 = 67,644.82 : x
2. Step 2: Convert to fraction form
   115,400.70/159,189.00 = 67,644.82/x
3. Step 3: Cross multiply
   115,400.70x = 159,189.00 × 67,644.82
4. Step 4: Simplify right side
   115,400.70x = 10,768,311,196.30
5. Step 5: Solve for x
   x = 10,768,311,196.30/115,400.70
6. Step 6: Final answer
   x = 93,312.36