Finding the Fourth Proportional to 30,300.54, 45,471.58 and 10,579.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,300.54 : 45,471.58 = 10,579.09 : x
2. Step 2: Convert to fraction form
   30,300.54/45,471.58 = 10,579.09/x
3. Step 3: Cross multiply
   30,300.54x = 45,471.58 × 10,579.09
4. Step 4: Simplify right side
   30,300.54x = 481,047,884.37
5. Step 5: Solve for x
   x = 481,047,884.37/30,300.54
6. Step 6: Final answer
   x = 15,875.88