Finding the Fourth Proportional to 89,238.50, 123,147.98 and 50,997.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,238.50 : 123,147.98 = 50,997.61 : x
2. Step 2: Convert to fraction form
   89,238.50/123,147.98 = 50,997.61/x
3. Step 3: Cross multiply
   89,238.50x = 123,147.98 × 50,997.61
4. Step 4: Simplify right side
   89,238.50x = 6,280,252,515.61
5. Step 5: Solve for x
   x = 6,280,252,515.61/89,238.50
6. Step 6: Final answer
   x = 70,376.05