Finding the Fourth Proportional to 89,749.20, 123,853.32 and 49,463

Step by Step Solution

1. Step 1: Write the proportion equation
   89,749.20 : 123,853.32 = 49,463 : x
2. Step 2: Convert to fraction form
   89,749.20/123,853.32 = 49,463/x
3. Step 3: Cross multiply
   89,749.20x = 123,853.32 × 49,463
4. Step 4: Simplify right side
   89,749.20x = 6,126,156,767.16
5. Step 5: Solve for x
   x = 6,126,156,767.16/89,749.20
6. Step 6: Final answer
   x = 68,258.62