Finding the Fourth Proportional to 79,918.91, 119,839.48 and 42,496.91

Step by Step Solution

1. Step 1: Write the proportion equation
   79,918.91 : 119,839.48 = 42,496.91 : x
2. Step 2: Convert to fraction form
   79,918.91/119,839.48 = 42,496.91/x
3. Step 3: Cross multiply
   79,918.91x = 119,839.48 × 42,496.91
4. Step 4: Simplify right side
   79,918.91x = 5,092,806,890.57
5. Step 5: Solve for x
   x = 5,092,806,890.57/79,918.91
6. Step 6: Final answer
   x = 63,724.68