Finding the Fourth Proportional to 79,086.81, 109,141.56 and 43,276.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,086.81 : 109,141.56 = 43,276.80 : x
2. Step 2: Convert to fraction form
   79,086.81/109,141.56 = 43,276.80/x
3. Step 3: Cross multiply
   79,086.81x = 109,141.56 × 43,276.80
4. Step 4: Simplify right side
   79,086.81x = 4,723,297,463.81
5. Step 5: Solve for x
   x = 4,723,297,463.81/79,086.81
6. Step 6: Final answer
   x = 59,722.95