Finding the Fourth Proportional to 89,819.24, 123,947.68 and 49,534.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,819.24 : 123,947.68 = 49,534.72 : x
2. Step 2: Convert to fraction form
   89,819.24/123,947.68 = 49,534.72/x
3. Step 3: Cross multiply
   89,819.24x = 123,947.68 × 49,534.72
4. Step 4: Simplify right side
   89,819.24x = 6,139,713,623.45
5. Step 5: Solve for x
   x = 6,139,713,623.45/89,819.24
6. Step 6: Final answer
   x = 68,356.33