Finding the Fourth Proportional to 89,814.96, 123,947.28 and 49,529.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,814.96 : 123,947.28 = 49,529.88 : x
2. Step 2: Convert to fraction form
   89,814.96/123,947.28 = 49,529.88/x
3. Step 3: Cross multiply
   89,814.96x = 123,947.28 × 49,529.88
4. Step 4: Simplify right side
   89,814.96x = 6,139,093,904.73
5. Step 5: Solve for x
   x = 6,139,093,904.73/89,814.96
6. Step 6: Final answer
   x = 68,352.69