Finding the Fourth Proportional to 20,260.28, 30,404.00 and 7,112.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,260.28 : 30,404.00 = 7,112.69 : x
2. Step 2: Convert to fraction form
   20,260.28/30,404.00 = 7,112.69/x
3. Step 3: Cross multiply
   20,260.28x = 30,404.00 × 7,112.69
4. Step 4: Simplify right side
   20,260.28x = 216,254,191.20
5. Step 5: Solve for x
   x = 216,254,191.20/20,260.28
6. Step 6: Final answer
   x = 10,673.80