Finding the Fourth Proportional to 82,215, 113,456.80 and 44,489.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,215 : 113,456.80 = 44,489.25 : x
2. Step 2: Convert to fraction form
   82,215/113,456.80 = 44,489.25/x
3. Step 3: Cross multiply
   82,215x = 113,456.80 × 44,489.25
4. Step 4: Simplify right side
   82,215x = 5,047,607,995.01
5. Step 5: Solve for x
   x = 5,047,607,995.01/82,215
6. Step 6: Final answer
   x = 61,395.22