Finding the Fourth Proportional to 82,890.75, 124,387.56 and 30,304.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,890.75 : 124,387.56 = 30,304.74 : x
2. Step 2: Convert to fraction form
   82,890.75/124,387.56 = 30,304.74/x
3. Step 3: Cross multiply
   82,890.75x = 124,387.56 × 30,304.74
4. Step 4: Simplify right side
   82,890.75x = 3,769,532,665.03
5. Step 5: Solve for x
   x = 3,769,532,665.03/82,890.75
6. Step 6: Final answer
   x = 45,475.91