Finding the Fourth Proportional to 83,145.71, 124,730.91 and 30,551.09

Step by Step Solution

1. Step 1: Write the proportion equation
   83,145.71 : 124,730.91 = 30,551.09 : x
2. Step 2: Convert to fraction form
   83,145.71/124,730.91 = 30,551.09/x
3. Step 3: Cross multiply
   83,145.71x = 124,730.91 × 30,551.09
4. Step 4: Simplify right side
   83,145.71x = 3,810,664,633.54
5. Step 5: Solve for x
   x = 3,810,664,633.54/83,145.71
6. Step 6: Final answer
   x = 45,831.17