Finding the Fourth Proportional to 89,477.25, 123,475.46 and 49,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,477.25 : 123,475.46 = 49,190.72 : x
2. Step 2: Convert to fraction form
   89,477.25/123,475.46 = 49,190.72/x
3. Step 3: Cross multiply
   89,477.25x = 123,475.46 × 49,190.72
4. Step 4: Simplify right side
   89,477.25x = 6,073,846,367.44
5. Step 5: Solve for x
   x = 6,073,846,367.44/89,477.25
6. Step 6: Final answer
   x = 67,881.46