Finding the Fourth Proportional to 83,086.19, 124,625.14 and 30,491.54

Step by Step Solution

1. Step 1: Write the proportion equation
   83,086.19 : 124,625.14 = 30,491.54 : x
2. Step 2: Convert to fraction form
   83,086.19/124,625.14 = 30,491.54/x
3. Step 3: Cross multiply
   83,086.19x = 124,625.14 × 30,491.54
4. Step 4: Simplify right side
   83,086.19x = 3,800,012,441.32
5. Step 5: Solve for x
   x = 3,800,012,441.32/83,086.19
6. Step 6: Final answer
   x = 45,735.79