Finding the Fourth Proportional to 89,212.56, 123,114.72 and 48,930

Step by Step Solution

1. Step 1: Write the proportion equation
   89,212.56 : 123,114.72 = 48,930 : x
2. Step 2: Convert to fraction form
   89,212.56/123,114.72 = 48,930/x
3. Step 3: Cross multiply
   89,212.56x = 123,114.72 × 48,930
4. Step 4: Simplify right side
   89,212.56x = 6,024,003,249.60
5. Step 5: Solve for x
   x = 6,024,003,249.60/89,212.56
6. Step 6: Final answer
   x = 67,524.16