Finding the Fourth Proportional to 89,142.41, 123,019.47 and 48,856.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,142.41 : 123,019.47 = 48,856.25 : x
2. Step 2: Convert to fraction form
   89,142.41/123,019.47 = 48,856.25/x
3. Step 3: Cross multiply
   89,142.41x = 123,019.47 × 48,856.25
4. Step 4: Simplify right side
   89,142.41x = 6,010,269,366.09
5. Step 5: Solve for x
   x = 6,010,269,366.09/89,142.41
6. Step 6: Final answer
   x = 67,423.24