Finding the Fourth Proportional to 82,049.07, 112,489.31 and 80,554.47

Step by Step Solution

1. Step 1: Write the proportion equation
   82,049.07 : 112,489.31 = 80,554.47 : x
2. Step 2: Convert to fraction form
   82,049.07/112,489.31 = 80,554.47/x
3. Step 3: Cross multiply
   82,049.07x = 112,489.31 × 80,554.47
4. Step 4: Simplify right side
   82,049.07x = 9,061,516,074.15
5. Step 5: Solve for x
   x = 9,061,516,074.15/82,049.07
6. Step 6: Final answer
   x = 110,440.21