Finding the Fourth Proportional to 79,687.98, 109,732.04 and 77,919.82

Step by Step Solution

1. Step 1: Write the proportion equation
   79,687.98 : 109,732.04 = 77,919.82 : x
2. Step 2: Convert to fraction form
   79,687.98/109,732.04 = 77,919.82/x
3. Step 3: Cross multiply
   79,687.98x = 109,732.04 × 77,919.82
4. Step 4: Simplify right side
   79,687.98x = 8,550,300,805.03
5. Step 5: Solve for x
   x = 8,550,300,805.03/79,687.98
6. Step 6: Final answer
   x = 107,297.25