Finding the Fourth Proportional to 89,450.92, 123,444.56 and 49,165.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,450.92 : 123,444.56 = 49,165.72 : x
2. Step 2: Convert to fraction form
   89,450.92/123,444.56 = 49,165.72/x
3. Step 3: Cross multiply
   89,450.92x = 123,444.56 × 49,165.72
4. Step 4: Simplify right side
   89,450.92x = 6,069,240,672.48
5. Step 5: Solve for x
   x = 6,069,240,672.48/89,450.92
6. Step 6: Final answer
   x = 67,849.95