Finding the Fourth Proportional to 82,049.41, 112,489.78 and 80,554.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,049.41 : 112,489.78 = 80,554.81 : x
2. Step 2: Convert to fraction form
   82,049.41/112,489.78 = 80,554.81/x
3. Step 3: Cross multiply
   82,049.41x = 112,489.78 × 80,554.81
4. Step 4: Simplify right side
   82,049.41x = 9,061,593,056.23
5. Step 5: Solve for x
   x = 9,061,593,056.23/82,049.41
6. Step 6: Final answer
   x = 110,440.69