Finding the Fourth Proportional to 89,624.28, 123,680.06 and 49,338.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,624.28 : 123,680.06 = 49,338.18 : x
2. Step 2: Convert to fraction form
   89,624.28/123,680.06 = 49,338.18/x
3. Step 3: Cross multiply
   89,624.28x = 123,680.06 × 49,338.18
4. Step 4: Simplify right side
   89,624.28x = 6,102,149,062.69
5. Step 5: Solve for x
   x = 6,102,149,062.69/89,624.28
6. Step 6: Final answer
   x = 68,085.89