Finding the Fourth Proportional to 79,086.42, 118,629.62 and 19,926.69

Step by Step Solution

1. Step 1: Write the proportion equation
   79,086.42 : 118,629.62 = 19,926.69 : x
2. Step 2: Convert to fraction form
   79,086.42/118,629.62 = 19,926.69/x
3. Step 3: Cross multiply
   79,086.42x = 118,629.62 × 19,926.69
4. Step 4: Simplify right side
   79,086.42x = 2,363,895,562.92
5. Step 5: Solve for x
   x = 2,363,895,562.92/79,086.42
6. Step 6: Final answer
   x = 29,890.03