Finding the Fourth Proportional to 89,636.19, 123,693.42 and 49,353.45

Step by Step Solution

1. Step 1: Write the proportion equation
   89,636.19 : 123,693.42 = 49,353.45 : x
2. Step 2: Convert to fraction form
   89,636.19/123,693.42 = 49,353.45/x
3. Step 3: Cross multiply
   89,636.19x = 123,693.42 × 49,353.45
4. Step 4: Simplify right side
   89,636.19x = 6,104,697,019.30
5. Step 5: Solve for x
   x = 6,104,697,019.30/89,636.19
6. Step 6: Final answer
   x = 68,105.27