Finding the Fourth Proportional to 89,311.56, 123,251.50 and 49,029.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,311.56 : 123,251.50 = 49,029.08 : x
2. Step 2: Convert to fraction form
   89,311.56/123,251.50 = 49,029.08/x
3. Step 3: Cross multiply
   89,311.56x = 123,251.50 × 49,029.08
4. Step 4: Simplify right side
   89,311.56x = 6,042,907,653.62
5. Step 5: Solve for x
   x = 6,042,907,653.62/89,311.56
6. Step 6: Final answer
   x = 67,660.98