Finding the Fourth Proportional to 83,276.28, 124,920.09 and 30,689.46

Step by Step Solution

1. Step 1: Write the proportion equation
   83,276.28 : 124,920.09 = 30,689.46 : x
2. Step 2: Convert to fraction form
   83,276.28/124,920.09 = 30,689.46/x
3. Step 3: Cross multiply
   83,276.28x = 124,920.09 × 30,689.46
4. Step 4: Simplify right side
   83,276.28x = 3,833,730,105.25
5. Step 5: Solve for x
   x = 3,833,730,105.25/83,276.28
6. Step 6: Final answer
   x = 46,036.28