Finding the Fourth Proportional to 82,947.48, 124,399.20 and 30,357.36

Step by Step Solution

1. Step 1: Write the proportion equation
   82,947.48 : 124,399.20 = 30,357.36 : x
2. Step 2: Convert to fraction form
   82,947.48/124,399.20 = 30,357.36/x
3. Step 3: Cross multiply
   82,947.48x = 124,399.20 × 30,357.36
4. Step 4: Simplify right side
   82,947.48x = 3,776,431,298.11
5. Step 5: Solve for x
   x = 3,776,431,298.11/82,947.48
6. Step 6: Final answer
   x = 45,527.98