Finding the Fourth Proportional to 89,192.56, 123,087.12 and 48,910

Step by Step Solution

1. Step 1: Write the proportion equation
   89,192.56 : 123,087.12 = 48,910 : x
2. Step 2: Convert to fraction form
   89,192.56/123,087.12 = 48,910/x
3. Step 3: Cross multiply
   89,192.56x = 123,087.12 × 48,910
4. Step 4: Simplify right side
   89,192.56x = 6,020,191,039.20
5. Step 5: Solve for x
   x = 6,020,191,039.20/89,192.56
6. Step 6: Final answer
   x = 67,496.56