Finding the Fourth Proportional to 89,412.05, 123,390.91 and 49,126.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,412.05 : 123,390.91 = 49,126.84 : x
2. Step 2: Convert to fraction form
   89,412.05/123,390.91 = 49,126.84/x
3. Step 3: Cross multiply
   89,412.05x = 123,390.91 × 49,126.84
4. Step 4: Simplify right side
   89,412.05x = 6,061,805,245.96
5. Step 5: Solve for x
   x = 6,061,805,245.96/89,412.05
6. Step 6: Final answer
   x = 67,796.29