Finding the Fourth Proportional to 89,410.10, 123,388.11 and 49,126.47

Step by Step Solution

1. Step 1: Write the proportion equation
   89,410.10 : 123,388.11 = 49,126.47 : x
2. Step 2: Convert to fraction form
   89,410.10/123,388.11 = 49,126.47/x
3. Step 3: Cross multiply
   89,410.10x = 123,388.11 × 49,126.47
4. Step 4: Simplify right side
   89,410.10x = 6,061,622,284.27
5. Step 5: Solve for x
   x = 6,061,622,284.27/89,410.10
6. Step 6: Final answer
   x = 67,795.72