Finding the Fourth Proportional to 82,951.75, 124,427.59 and 20,622.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,951.75 : 124,427.59 = 20,622.25 : x
2. Step 2: Convert to fraction form
   82,951.75/124,427.59 = 20,622.25/x
3. Step 3: Cross multiply
   82,951.75x = 124,427.59 × 20,622.25
4. Step 4: Simplify right side
   82,951.75x = 2,565,976,971.86
5. Step 5: Solve for x
   x = 2,565,976,971.86/82,951.75
6. Step 6: Final answer
   x = 30,933.37