Finding the Fourth Proportional to 83,276.33, 124,980.17 and 30,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,276.33 : 124,980.17 = 30,722.72 : x
2. Step 2: Convert to fraction form
   83,276.33/124,980.17 = 30,722.72/x
3. Step 3: Cross multiply
   83,276.33x = 124,980.17 × 30,722.72
4. Step 4: Simplify right side
   83,276.33x = 3,839,729,989.95
5. Step 5: Solve for x
   x = 3,839,729,989.95/83,276.33
6. Step 6: Final answer
   x = 46,108.30