Finding the Fourth Proportional to 89,029.57, 122,861.17 and 48,747.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,029.57 : 122,861.17 = 48,747.09 : x
2. Step 2: Convert to fraction form
   89,029.57/122,861.17 = 48,747.09/x
3. Step 3: Cross multiply
   89,029.57x = 122,861.17 × 48,747.09
4. Step 4: Simplify right side
   89,029.57x = 5,989,124,511.50
5. Step 5: Solve for x
   x = 5,989,124,511.50/89,029.57
6. Step 6: Final answer
   x = 67,271.18