Finding the Fourth Proportional to 89,740, 123,841.68 and 49,996

Step by Step Solution

1. Step 1: Write the proportion equation
   89,740 : 123,841.68 = 49,996 : x
2. Step 2: Convert to fraction form
   89,740/123,841.68 = 49,996/x
3. Step 3: Cross multiply
   89,740x = 123,841.68 × 49,996
4. Step 4: Simplify right side
   89,740x = 6,191,588,633.28
5. Step 5: Solve for x
   x = 6,191,588,633.28/89,740
6. Step 6: Final answer
   x = 68,994.75