Finding the Fourth Proportional to 82,016.18, 112,444.10 and 80,521.46

Step by Step Solution

1. Step 1: Write the proportion equation
   82,016.18 : 112,444.10 = 80,521.46 : x
2. Step 2: Convert to fraction form
   82,016.18/112,444.10 = 80,521.46/x
3. Step 3: Cross multiply
   82,016.18x = 112,444.10 × 80,521.46
4. Step 4: Simplify right side
   82,016.18x = 9,054,163,100.39
5. Step 5: Solve for x
   x = 9,054,163,100.39/82,016.18
6. Step 6: Final answer
   x = 110,394.84